Cloud Technology and Services — page 9
A company wants to deploy a microservices application using containers and wants AWS to manage the Kubernetes control plane. Which service should they choose?
Which AWS service automates the steps of a software release pipeline, orchestrating build, test, and deploy phases across services like CodeBuild and CodeDeploy?
Which AWS networking service acts as a cloud router, enabling transitive routing between thousands of VPCs and on-premises networks through a central hub?
A company wants to migrate their on-premises Oracle database to Amazon Aurora PostgreSQL. Which AWS tool converts the database schema automatically?
Which Amazon RDS feature creates asynchronous read copies of the database in the same or different Regions to offload read traffic?
Which AWS service acts as a database proxy, pooling and sharing database connections to improve scalability and resilience for Lambda and containerized applications?
A company wants to store and query semi-structured JSON data at millisecond latency without managing servers. Which service is most appropriate?
Which AWS storage service provides the highest per-instance throughput and lowest latency because it is physically attached to the host server?
Which S3 feature enables you to use SQL to filter and retrieve a subset of data from an S3 object without downloading the entire object?
Which AWS service allows you to run custom code (Lambda functions) to transform S3 objects as they are retrieved, without storing the modified object?
Which AWS service provides a managed SFTP, FTPS, and FTP service for transferring files directly into and out of Amazon S3 and Amazon EFS?
Which AWS service enables real-time processing of streaming data with SQL queries without writing Java or Python code?
Which AWS service provides an intelligent document processing service that extracts text, forms, tables, and signatures from scanned documents?
A company wants to add a voice interface to their existing customer service application that can understand natural language and handle multi-turn conversations. Which service should they use?
Which AWS service provides business intelligence dashboards and visualizations from data sources like S3, RDS, and Redshift?
Which AWS developer tool uses ML to automatically review code, identify defects, and provide recommendations to improve code quality and security?
Which AWS service provides a managed environment to run Apache Flink applications for real-time stream processing?
A company wants to catalog their data assets across multiple AWS storage services so analysts can discover and query available datasets. Which service provides a centralized data catalog?
A company wants to store structured, semi-structured, and unstructured data at any scale for analytics. What is the foundational AWS service for building a data lake?
Which of the following is the MOST cost-effective storage option for data that is accessed once a month and stored in a single AZ?
A company receives a Trusted Advisor alert that they have an underutilized EC2 instance (5% CPU over 14 days). What does AWS recommend?
Which of the following is a characteristic of AWS Spot Instance pricing?
Which AWS service allows teams to receive, acknowledge, and resolve operational alerts, and can page on-call engineers automatically?
Which of the following describes AWS Partner Network (APN) Competency designation?
A company wants to migrate their on-premises workloads to AWS and needs step-by-step guidance documents covering specific migration scenarios and best practices. Which AWS resource provides this?
A company currently has 80% of their server capacity idle during nights and weekends. Which cloud benefit MOST directly addresses this waste?
Which of the following is TRUE about AWS edge locations compared to AWS Regions?
Which of the following is a key advantage of using managed services like Amazon RDS over self-managed databases on EC2?
Which of the following statements about AWS global infrastructure is TRUE?
Which of the following describes the purpose of a VPC Internet Gateway?
A company wants to run a traditional three-tier web application (web, app, database) on AWS with high availability. Which combination is most appropriate?
Which AWS compute service is best for running event-driven functions that respond to file uploads in S3 with execution durations under 15 minutes?
Which of the following is a use case for Amazon SQS FIFO queues versus standard queues?
A company wants to run containerized web applications and APIs with automatic scaling and no server management. Which service is most appropriate?
A company wants to host a highly available, multi-Region active-active database that automatically replicates with low latency across five Regions. Which service provides this?
Which AWS service provides a fully managed document database that is compatible with MongoDB APIs?
A company wants to implement a data warehouse and run complex analytical queries on historical sales data. Which service is most appropriate?
A company wants to connect 50 VPCs across multiple AWS accounts and Regions with transitive routing. What is the most scalable architecture?
Which AWS service provides a fully managed graph database service that supports both property graphs (Apache TinkerPop) and RDF graphs (SPARQL)?
Which Amazon S3 feature allows you to perform bulk operations on millions of S3 objects at once, such as copying objects, invoking Lambda, or restoring from Glacier?
A company needs to automatically move S3 objects to cheaper storage tiers as they age (30 days to Standard-IA, 90 days to Glacier). Which S3 feature handles this?
Which AWS service provides a managed workflow orchestration service that can run tasks in AWS services, call APIs, and run code in a visual drag-and-drop workflow designer?
Which of the following correctly describes Amazon CloudWatch metrics vs Amazon CloudWatch Logs?
Which AWS service provides a cloud-based IDE accessible via a browser, supporting multiple programming languages with code completion and debugging?
Which AWS service is specifically designed for running high-performance computing (HPC) workloads with tightly coupled parallel processing requirements?
A company wants to catalog, search, and query data stored across S3, RDS, and Redshift from a single interface. Which service enables this?
Which AWS service enables data scientists and developers to build, train, and deploy machine learning models, and includes built-in algorithms and managed infrastructure?
Which AWS service provides fully managed infrastructure for training ML models on large datasets using distributed computing?
A company wants to use AWS to manage their fleet of IoT devices — sending configuration updates, monitoring device state, and receiving telemetry data at scale. Which service is purpose-built for this?
Which AWS service provides a managed Apache Kafka-compatible streaming platform, fully serverless with automatic scaling?
A company wants to implement a completely serverless, event-driven data processing pipeline: data lands in S3, triggers processing, and results load into Redshift. Which combination achieves this?
A company notices their AWS bill has an unexpected charge for data transfer. Which scenario describes a data transfer charge that is commonly overlooked?
Which AWS pricing model allows customers to use any EC2 instance type within a family (e.g., m5.large, m5.xlarge, m5.2xlarge) with a discount for committing to a specific Region?
Which of the following is a correct statement about AWS data transfer pricing between AWS Regions?
A company wants to find answers to common AWS questions such as "How do I increase my EC2 instance limits?" or "How do I configure an S3 bucket policy?" Which AWS resource is best for this?
Which of the following BEST describes the concept of "operational resilience" in AWS Cloud?
A financial services company is concerned about moving to the cloud because they believe it will be less secure than their on-premises environment. Which AWS response BEST addresses this concern?
Which of the following is an example of "horizontal scaling" that improves both performance and availability?
Which of the following AWS services is considered "serverless" (no server management required)? (Select TWO)
A global media company streams content to users in 190 countries. Which AWS infrastructure component is MOST important for delivering low-latency content worldwide?
Which of the following statements correctly describes the difference between AWS Regions and edge locations?
Which of the following AWS services enables companies to build event-driven, decoupled architectures where components communicate asynchronously?
Which of the following describes the concept of "defense in depth" as implemented across AWS services?
A company wants all their EC2 instances to be able to communicate with each other privately without internet exposure. Which VPC component enables this?
Which AWS service provides a managed Apache Hadoop cluster for processing large datasets using MapReduce, Spark, and other big data frameworks?
A company wants to host a static website on AWS with the LOWEST possible cost, no server management, and global performance. Which solution is BEST?
Which AWS database service is designed for ledger use cases requiring a complete and verifiable history of all data changes with cryptographic verification?
Which EC2 placement group type places instances on distinct underlying hardware to reduce the impact of correlated hardware failures?
Which EC2 placement group type places instances in logical partitions on separate racks, used for large distributed workloads like Hadoop and Cassandra?
Which AWS service provides a fully managed platform for building and hosting web and mobile applications, including frontend hosting, backend APIs, and authentication?
Which of the following correctly describes Amazon Route 53 routing policies? (Select the BEST match)
Which AWS service provides managed NAT (Network Address Translation) for instances in private subnets to access the internet without exposing them to inbound traffic?
A company wants to mirror production traffic to a test environment for analysis without impacting production. Which AWS networking feature enables this?
Which Amazon S3 feature enables you to host a static website and configure custom error pages and index documents?
Which AWS service provides a serverless, auto-scaling relational database that pauses compute capacity when not in use to minimize costs?
Which AWS service is used to build, train, and deploy machine learning models at scale, supporting the full ML lifecycle from data preparation to model hosting?
Which AWS AI service uses NLP to extract key phrases, sentiment, entities, and language from text documents?
Which AWS service provides a managed blockchain network supporting open-source frameworks like Hyperledger Fabric?
Which AWS service provides a managed blockchain network using the Ethereum framework for decentralized applications?
A company wants to use AWS to process and analyze satellite imagery at scale using machine learning. Which AWS service is purpose-built for geospatial ML?
Which AWS service provides operational insights and automates common maintenance tasks like patching, running scripts, and managing inventory across EC2 instances?
Which AWS service provides end-to-end tracing for distributed applications, helping developers identify latency bottlenecks across microservices?
A company wants to send bulk email notifications to their customers for order updates and promotional messages. Which AWS service is designed for this?
A company has 200 EC2 instances. AWS Trusted Advisor recommends stopping 30 instances with average CPU utilization below 5% over 14 days. What type of Trusted Advisor check is this?
A company wants to find a third-party consulting firm that has demonstrated expertise in AWS migrations to help them plan and execute their cloud migration. Which program helps them identify these vetted partners?
A company's CFO asks why AWS is more cost-effective for variable workloads than owning servers. Which economic principle BEST explains this?
Which of the following correctly describes the relationship between the number of AWS Regions, Availability Zones, and edge locations?
A company wants to use AWS for their disaster recovery site. They want to keep costs minimal by only running minimal resources until a failover is needed. Which DR strategy does this describe?
Which of the following statements about AWS service availability is TRUE?
Which AWS service provides a fully managed, serverless, pay-per-use graph database optimized for social networks and recommendation engines?
A company wants to run a web application that automatically handles traffic spikes, requires no server management, and charges only for requests made. Which architecture achieves this?
Which AWS service provides a managed service for running Apache Kafka workloads with full MSK API compatibility but without managing cluster capacity?
A company wants to process a 10 TB CSV file stored in S3 using distributed computing. Which service is most appropriate for this large-scale data processing?
Which AWS service provides a fully managed, petabyte-scale data warehouse optimized for running complex analytical queries on large datasets?
Which of the following correctly describes Amazon Aurora's storage architecture?
Which AWS service provides serverless, real-time data transformation and delivery to destinations like S3, Redshift, and OpenSearch without managing infrastructure?
A company wants to expose internal microservices as REST APIs to external developers with rate limiting, authentication, and usage plans. Which service is BEST suited?
Which AWS service automates the deployment of applications to EC2, Lambda, ECS, and on-premises servers?
A company wants to analyze customer purchase patterns and automatically generate product recommendations for each user. Which AWS ML service is purpose-built for this?
Which AWS service provides a fully managed environment for building, training, and deploying ML models, with support for popular frameworks like TensorFlow and PyTorch?
Which AWS AI service can automatically identify objects, people, text, and scenes in images and videos?
Which AWS service enables you to run AWS Lambda functions at CloudFront edge locations, modifying HTTP requests and responses closer to users?
A company wants to back up their on-premises VMware VMs to AWS. Which service provides VMware-native backup integration with AWS?
Which AWS service provides a managed tape library in the cloud, replacing physical tape infrastructure for backup and archiving?
Which of the following is a use case for AWS DataSync?
Which AWS service provides interactive dashboards, graphs, and business intelligence visualizations from data sources like S3, Redshift, and RDS?
A company wants to implement a hub-and-spoke network topology in AWS where a central "hub" VPC shares services (firewall, DNS, monitoring) with multiple "spoke" VPCs. Which service is the foundation for this architecture?
Which of the following is TRUE about Reserved Instance "payment options"?
Which of the following is an accurate statement about AWS data transfer pricing for Amazon CloudFront?
Which of the following describes "Savings Plans" flexibility compared to "EC2 Instance Reserved Instances"?
A company currently maintains three separate environments (dev, test, prod) with dedicated on-premises servers for each. In AWS, what is the most cost-efficient approach?
A company wants a "warm standby" disaster recovery strategy on AWS. Which of the following BEST describes this?
Which of the following is TRUE about AWS service quotas (formerly service limits)?
Which of the following describes a key advantage of the AWS Cloud for a company that operates seasonally (e.g., a tax preparation firm)?
Which AWS service enables you to run containers without any EC2 instance management, and charges only for the vCPU and memory resources consumed by running containers?
A company wants to implement a "strangler fig" pattern — gradually migrating a monolithic application to microservices by routing some requests to new services while keeping old ones running. Which AWS service helps route traffic during this migration?
Which AWS storage service is designed for shared file storage accessible by Linux-based workloads across multiple EC2 instances and Lambda functions simultaneously?
A company wants to use AWS for disaster recovery and needs to replicate their on-premises servers to AWS continuously with minimal data loss (RPO of minutes). Which service is designed for this?
Which of the following is TRUE about Amazon S3 versioning?
Which AWS service provides a managed, highly available Redis-compatible in-memory database with persistence and Multi-AZ support designed for mission-critical applications?
A company wants to run analytical queries on their operational RDS database without impacting production performance. Which approach is BEST?
Which AWS service provides a managed service for running Apache Spark, Hive, and Presto for interactive data analysis on S3 data?
A company wants to implement a real-time leaderboard for a gaming application that requires microsecond reads and writes, high availability, and automatic scaling. Which service is BEST suited?
Which AWS service enables you to query data across multiple relational databases, S3 data lakes, and Redshift data warehouses using a single SQL interface?
Which of the following is a use case for AWS Snowcone?
Which AWS service provides a managed MQTT broker for IoT device messaging with rules to route messages to AWS services?
A company wants to build a real-time fraud detection system that analyzes 100,000 transactions per second. Which combination of AWS services is most appropriate?
Which AWS service provides a visual workflow designer for building and running serverless workflows that coordinate AWS services and human approvals?
Which AWS service uses ML to predict future business outcomes such as product demand, revenue, and inventory levels from historical time-series data?
Which AWS service provides pre-trained AI models for common use cases like image analysis, text-to-speech, and natural language processing via simple API calls?
Which AWS service provides an enterprise search service powered by ML that allows employees to search across multiple data sources using natural language queries?
Which AWS service helps identify performance bottlenecks in applications by collecting and analyzing request data as it flows through distributed services?
Which of the following is a correct use case for AWS Step Functions Express Workflows versus Standard Workflows?
Which AWS service provides a managed, cloud-native, real-time analytics service for IoT and time-series data with built-in visualization?
A company has both EC2 Reserved Instances and Compute Savings Plans active. How does AWS apply discounts?
A company running a 24/7 production workload has been using On-Demand EC2 for 8 months. Their AWS account manager recommends switching to Savings Plans. What is the MAIN benefit?
A company has Dev, Staging, and Production workloads. Which approach maximizes cost savings while ensuring production reliability?
Which of the following is an AWS-managed program where AWS partners commit to architectural best practices and AWS validates their solutions?
A company wants to receive architecture guidance for moving to a microservices architecture on AWS from AWS-employed solution architects. Which engagement is most appropriate?
Which AWS pricing model charges you only for compute resources consumed per second (minimum 60 seconds) with no upfront commitment?
A company runs a steady-state production workload on EC2 r5.xlarge instances 24/7. They want to reduce costs by up to 40% with minimal risk. Which purchase option is BEST?
Which of the following correctly describes Spot Instances?
A company wants to commit to $5/hour of compute usage across EC2, Lambda, and Fargate for 1 year to get a significant discount. Which purchase option applies?
Which AWS service provides a community-driven question and answer platform where customers can post technical questions and receive answers from the AWS community and AWS employees?
Which of the following BEST describes the AWS Cloud benefit of "going global in minutes"?
A company currently provisions servers based on peak demand, resulting in 80% idle capacity during normal periods. Which cloud principle directly solves this problem?
Which of the following describes a key benefit of using multiple Availability Zones within a single AWS Region?
A company has a workload with unpredictable bursts of traffic several times per day. Which cloud characteristic makes AWS ideal for this use case?
Which of the following BEST describes "infrastructure as code" (IaC) and its primary benefit?
Which AWS compute service automatically manages the underlying infrastructure, allowing developers to focus solely on writing code in response to events?
A company needs a relational database with automatic failover to a standby replica in a different Availability Zone with no data loss. Which RDS feature provides this?
Which Amazon EC2 purchasing option provides the deepest discount (up to 90% off On-Demand) but can be interrupted by AWS with a 2-minute warning when capacity is needed?
A company wants to migrate their on-premises Oracle database to Amazon RDS for PostgreSQL. Which AWS tool converts the database schema and application SQL automatically?
Which AWS storage service provides block storage that can be attached to a single EC2 instance and persists independently of the instance lifecycle?
A company needs their application to route traffic between microservices within a VPC without going through the public internet. Which AWS networking component enables private DNS-based service discovery?
Which AWS service provides a managed Apache Kafka-compatible streaming service for ingesting and processing high-throughput event streams?
Which Amazon S3 feature allows you to automatically move objects to progressively cheaper storage tiers as they age without writing any rules?
Which AWS service provides a fully managed, serverless query service that allows running SQL queries directly against data stored in Amazon S3?
A company wants to build a voice-enabled customer service bot that can understand natural language, maintain conversation context, and integrate with backend Lambda functions. Which service should they use?
Which AWS service provides a managed container image registry where teams can store, manage, and deploy Docker container images?
Which AWS service provides a fully managed data warehouse service optimized for running complex analytics queries on petabytes of structured data?
A company wants to deliver their Windows desktop applications to remote employees via a web browser without any local installation. Which AWS service enables this?
Which AWS service acts as a central hub to connect multiple VPCs and on-premises networks, enabling transitive routing between them?
A company wants to convert their written text documents into spoken audio files to create a podcast. Which AWS AI service should they use?
Which AWS service provides a managed OpenSearch cluster for log analytics, full-text search, and real-time application monitoring?
A company needs to replicate their on-premises file server data to AWS for backup continuously and make it available for direct access by on-premises applications. Which service bridges on-premises storage with AWS?
Which of the following is a use case for AWS Step Functions?
Which AWS service provides business intelligence dashboards and interactive visualizations connected to data sources like S3, RDS, Redshift, and Athena?
A company wants to reduce costs for their development environment EC2 instances that only run during business hours (8am–6pm weekdays). Which approach is MOST cost-effective?
Which of the following data transfer scenarios is typically FREE on AWS?
Which of the following is TRUE about AWS Spot Instance pricing?
A company wants to identify which AWS Partner has demonstrated validated expertise in cloud migrations to help with their AWS migration project. Which program connects them with these partners?
Which of the following BEST describes the concept of "high availability" in AWS?
Which of the following is an example of the AWS Cloud benefit of "increased speed and agility"?
Which of the following BEST describes the difference between AWS Regions and AWS Availability Zones?
A global media company wants to cache video content closer to users in Asia, Europe, and the Americas to reduce buffering. Which AWS infrastructure component is most relevant?
Which AWS service provides a fully managed platform that automatically handles capacity provisioning, load balancing, auto scaling, and application health monitoring for web applications?
A company needs a NoSQL database that can handle millions of requests per second with consistent single-digit millisecond latency for a gaming leaderboard. Which service is BEST suited?
Which of the following BEST describes the difference between Amazon EBS and Amazon S3?
Which AWS service provides a managed in-memory caching layer that reduces database read latency by caching frequently accessed query results?
A company wants to move data from their on-premises NAS to Amazon S3 with automated scheduling, filtering, and data integrity verification. Which service is designed for this?
Which AWS compute service is BEST for running a scheduled batch job that processes data every night at 2 AM, requires 10 minutes to complete, and should not run on any managed servers?
Which of the following BEST describes Amazon CloudFront's primary function?
A company needs a database that stores data about satellite positions, weather readings, and stock prices — all with timestamps — and needs to query by time ranges efficiently. Which AWS database service is optimized for this?
Which AWS service provides a fully managed SFTP, FTPS, and FTP service that transfers files directly into and out of Amazon S3 and EFS?
A company wants to run a highly available web application across three Availability Zones and automatically distribute traffic only to healthy instances. Which combination of services achieves this?
Which AWS service provides a fully managed graph database that supports both the Gremlin query language (property graphs) and SPARQL (RDF graphs)?
Which AWS service provides a managed workflow orchestration service that lets you build visual workflows coordinating AWS services with branching logic, parallel execution, and error handling?
A company needs to run big data processing jobs using Apache Spark on a managed cluster that can scale and be terminated after job completion. Which service is BEST suited?
Which AWS service provides a fully managed service for capturing, transforming, and loading streaming data into Amazon S3, Redshift, and OpenSearch without writing any code?
A company wants to provide their call center agents with a cloud-based contact center that supports both voice calls and chat, with real-time transcription and sentiment analysis integration. Which AWS service forms the foundation?
Which of the following BEST describes the purpose of Amazon Route 53?
A company wants to convert spoken customer service call recordings stored in S3 into searchable text transcripts. Which AWS AI service should they use?
Which AWS service provides a fully managed document database compatible with MongoDB that supports rich querying, indexing, and JSON document storage?
A company wants to deploy their containerized microservices to AWS with Kubernetes orchestration but without managing any EC2 instances for the worker nodes. Which combination achieves this?
A company runs a batch processing workload that is fault-tolerant and can be interrupted and restarted without data loss. Which EC2 purchasing option provides the most cost savings?
Which of the following is TRUE about data transfer OUT from Amazon EC2 to the internet?
A company uses On-Demand EC2 instances for their production workloads. Their AWS Solutions Architect recommends using Savings Plans to reduce costs. What does the company need to commit to for Savings Plans?
Which of the following BEST describes the benefit of AWS's global network of edge locations?
A company wants to ensure that even if a natural disaster destroys an entire AWS Region, their application continues to serve users. Which architecture supports this?
Which of the following is a key advantage of using AWS managed services (like RDS, ECS, or EKS) over self-managed equivalents on EC2?
A company is evaluating whether to build a new application on AWS or on-premises. They expect traffic to be very low for the first 6 months and then grow significantly. Which cloud benefit is MOST relevant to their decision?
Which of the following BEST describes the purpose of a VPC Internet Gateway?
Which AWS service automatically distributes incoming application traffic across multiple targets — such as EC2 instances, containers, and Lambda functions — in one or more Availability Zones?
A company needs a relational database that can scale read capacity to handle millions of read requests per second by creating replicas. Which RDS feature supports this?
Which EC2 instance type family is BEST suited for a memory-intensive workload such as an in-memory database or real-time big data analytics requiring high memory-to-vCPU ratio?
A company wants to build a fully serverless web application where the backend logic runs only when triggered by user requests, with no servers to manage. Which architecture is BEST?
Which AWS service provides a managed message broker supporting industry-standard protocols like AMQP and MQTT, making it easy to migrate existing on-premises messaging applications to the cloud?
A company wants to replicate all objects in their S3 bucket to another S3 bucket in a different AWS Region automatically. Which S3 feature enables this?
Which AWS service provides a managed IoT platform that lets connected devices securely communicate with each other and AWS cloud services using protocols like MQTT?
A company wants to run a high-performance computing (HPC) workload requiring instances to communicate with each other at extremely low latency using a high-bandwidth network. Which EC2 feature should they enable?
Which AWS service provides a fully managed pipeline that ingests streaming data and loads it into S3, Redshift, or OpenSearch without requiring any coding?
A company wants to make their web application more resilient by routing users to a healthy endpoint in a secondary Region if the primary Region becomes unavailable. Which Route 53 routing policy supports this?
Which AWS database service provides a fully managed, immutable ledger that maintains a complete and cryptographically verifiable history of all changes to application data?
Which of the following BEST describes the purpose of Amazon SageMaker in the context of the CLF-C02 exam?
A company wants to send a single notification to multiple subscribers — including email endpoints, SMS, Lambda functions, and SQS queues — when an event occurs. Which service provides this fan-out capability?
Which of the following BEST describes the difference between Amazon CloudFront and AWS Global Accelerator?
Which AWS service provides a managed relational database service supporting engines including MySQL, PostgreSQL, MariaDB, Oracle, and SQL Server?
A company wants to process and analyze real-time clickstream data from their e-commerce website to personalize the user experience. Which service ingests high-throughput streaming data?
A company needs to migrate 500 GB of data from their on-premises server to Amazon S3 over a slow internet connection. Which AWS service accelerates large file uploads to S3 by routing through CloudFront edge locations?
Which AWS service provides a visual, serverless workflow service with an Express mode designed for high-volume, short-duration event processing at millions of requests per second?
A company wants to use AWS for natural language processing to automatically categorize customer support tickets by topic and urgency. Which service should they use?
A company wants to reduce costs for a predictable workload running 24/7 on EC2. They want a discount but also need flexibility to change instance types within the same family and Region. Which option BEST meets this need?
Which of the following BEST describes how AWS charges for Amazon S3?
Which AWS pricing model provides up to 72% savings over On-Demand pricing in exchange for a commitment to a specific EC2 instance family and Region for 1 or 3 years?
Which of the following data transfer costs is charged by AWS?
A company processes millions of requests using Lambda functions and wants to optimize costs. Which purchase option reduces Lambda costs for predictable usage?
Which of the following is the BEST example of "fault tolerance" in an AWS architecture?
A company wants to run workloads requiring extremely low latency for users in a specific metropolitan area not served by a nearby AWS Region. Which AWS infrastructure option extends compute closer to that city?
Which of the following BEST describes the concept of "loose coupling" as a cloud architecture best practice?
A company is concerned about "vendor lock-in" when moving to AWS. Which AWS design approach helps mitigate this risk?
Which of the following AWS services is classified as "serverless" — meaning customers do not provision or manage any servers? (Select TWO)
A company needs to run a containerized application that requires 4 vCPUs and 8 GB of RAM, with no fixed duration, and they don't want to manage any EC2 instances. What is the BEST compute option?
Which AWS service provides a managed relational database compatible with MySQL and PostgreSQL, with up to 5x the performance of standard MySQL and 3x that of standard PostgreSQL?
A company stores 500 TB of log files in S3 Standard that are never accessed after 30 days. They want to minimize storage costs. Which S3 configuration is BEST?
A company runs a stateful application on EC2 that requires persistent block storage with high IOPS for a database. Which storage option should they choose?
Which AWS service provides a fully managed container orchestration service using Docker, supporting both EC2 and Fargate launch types?
A company wants to automate the deployment of their entire multi-tier AWS infrastructure (VPC, subnets, EC2, RDS, load balancer) using a single template that can be version-controlled. Which service enables this?
Which AWS service provides automatic scaling of DynamoDB read and write capacity based on actual traffic patterns without manual intervention?
A company wants to run SQL queries on data stored in S3 without any servers and pay only for data scanned. Which service provides this?
Which AWS service provides a high-performance, fully managed Redis-compatible in-memory database that supports persistence and is suitable for session management and real-time leaderboards?
A company wants to detect objects, people, and text in images uploaded by users to their mobile application. Which AWS AI service provides this capability?
Which AWS service provides a managed code repository (Git) that is highly available, scalable, and integrated with other AWS developer tools?
A company wants to automatically deploy application code updates to EC2 instances, Lambda functions, and ECS services with deployment strategies like blue/green and canary. Which service handles this?
Which AWS service provides a fully managed business intelligence service for creating interactive dashboards and visualizations from data stored in Redshift, S3, RDS, and Athena?
A company needs to process IoT sensor data at the edge — in a remote oil field with intermittent internet connectivity — and sync results to AWS when connected. Which service enables local processing on edge devices?
Which of the following BEST describes the purpose of Amazon Kinesis Data Streams?
A company wants to identify text in images — such as reading license plates in security camera footage. Which AWS AI service should they use?
Which AWS service provides a fully managed pipeline service that orchestrates and automates the steps of a software release process, connecting CodeCommit, CodeBuild, and CodeDeploy?
A company wants to connect an application in VPC A to a database in VPC B without the traffic traversing the public internet, and without allowing VPC A to communicate freely with all of VPC B. Which service provides this targeted, one-way connectivity?
Which AWS service provides a managed message broker that supports the STOMP, AMQP, and OpenWire protocols, making it easy to lift and shift existing messaging workloads to AWS?
A company wants to use machine learning to automatically forecast future product demand to optimize their inventory levels. Which AWS AI service is purpose-built for time-series forecasting?
A company wants to reduce costs for their non-production workloads that run 8 hours per day, 5 days a week. They need the instances to be running when developers need them. Which approach minimizes cost?
Which of the following BEST describes the AWS "Always Free" tier for Amazon DynamoDB?
Which of the following BEST describes the difference between Spot Instances and On-Demand Instances?
A company has a workload that runs continuously for 3 years on a fixed EC2 instance type in a fixed Region. Which purchase option provides the MAXIMUM cost savings?
Which AWS pricing model allows customers to save on AWS compute costs by committing to a consistent dollar amount of usage per hour, and applies the discount across EC2, Lambda, and Fargate?
Which of the following describes the purpose of AWS Cost Anomaly Detection?
A company notices their AWS bill includes charges for data transfer between two EC2 instances. Which scenario would cause this charge?
A company wants to build a system where components are independent and can be updated, scaled, or replaced without affecting other parts of the system. Which architectural principle does this describe?
Which of the following correctly explains VPC Flow Logs?
A company wants to enable private connectivity from their VPC to Amazon S3 without the traffic going through the public internet or requiring NAT Gateway. Which AWS feature enables this?
Which AWS service provides a highly available DNS service with routing capabilities including weighted, latency-based, geolocation, and failover routing policies?
A company needs block storage for their EC2 database server that provides consistent, low-latency performance for I/O-intensive workloads. Which EBS volume type is BEST?
Which AWS service provides a managed NoSQL key-value store that can handle millions of requests per second with single-digit millisecond performance and automatic scaling?
A company wants to run a highly available application where users are never impacted by individual instance failures. The application is deployed on 6 EC2 instances. How should they distribute these instances?
Which AWS service provides a managed NFS file system that automatically grows and shrinks as files are added and removed, billed only for storage used?
A company wants to send targeted email notifications to 10 million customers for order confirmations and marketing campaigns. Which AWS service is designed for high-volume email sending?
Which AWS compute service provides managed batch computing at any scale, automatically provisioning the optimal compute resources based on job requirements?
A company has an on-premises application that requires a shared file system accessible by multiple Windows servers. They want to migrate this to AWS. Which service is BEST suited?
Which AWS service allows customers to run AWS Lambda functions at CloudFront edge locations — modifying requests and responses — to personalize content without origin round trips?
A company wants to use AI to automatically translate their product descriptions from English into 10 different languages. Which AWS service provides this?
Which AWS service provides a fully managed, serverless data warehouse that automatically scales and pauses when not in use, with pay-per-use pricing?
A company wants to trigger automated workflows — such as sending an approval email and waiting for a response before continuing — in their serverless application. Which service handles human approval steps?
Which AWS service provides a managed relational database specifically designed for OLAP (Online Analytical Processing) and data warehousing with columnar storage?
A company uses Amazon S3 to store millions of objects. They want to analyze access patterns and automatically move objects to the most cost-effective storage tier without lifecycle rules or manual intervention. Which S3 feature handles this?
Which AWS service enables developers to call AI capabilities like image recognition, text-to-speech, and natural language processing through simple API calls without needing ML expertise?
A company wants to use AWS to automatically identify the language of text written by customers and route it to the appropriate support team. Which service detects the language?
A company wants to implement a publish-subscribe pattern where a single event (e.g., "order placed") triggers multiple downstream processes simultaneously — updating inventory, sending a confirmation email, and logging to analytics. Which service enables this fan-out pattern?
A company wants to use a container-native CI/CD workflow where every code push triggers a build, runs tests, creates a Docker image, pushes it to ECR, and deploys to ECS. Which AWS service orchestrates all these steps?
Which of the following correctly describes Amazon VPC subnets?
Which of the following is TRUE about EC2 On-Demand pricing for Linux instances?
Which of the following BEST describes the pricing advantage of Spot Instances compared to On-Demand?
Which of the following AWS resources provides step-by-step technical guides, best practice whitepapers, and reference architectures for common workloads like machine learning, security, and high availability?
A company wants to reduce costs for their Amazon RDS database by using a managed proxy that pools and reuses database connections, reducing the overhead of establishing new connections for short-lived Lambda functions. Which service provides this?
Which of the following is an example of a cost that would appear in an AWS bill for Amazon EC2? (Select TWO)
Which of the following BEST describes "durability" in the context of AWS storage services?
A company wants to take advantage of AWS's "global footprint" to serve customers in Asia, Europe, and North America. Which AWS infrastructure components are MOST relevant?
Which of the following BEST describes the AWS concept of "elasticity" versus "scalability"?
A company's application needs to recover automatically within seconds from an EC2 instance failure without any human intervention. Which AWS feature enables this?
Which of the following statements about the AWS Cloud is TRUE regarding capital expenditure?
A company wants to ensure their VPC resources can communicate with AWS services like S3, DynamoDB, and SNS without any traffic leaving the AWS network. Which networking feature achieves this?
Which of the following BEST describes the difference between vertical scaling and horizontal scaling on AWS?
A company needs a managed database service that can automatically replicate data across multiple AWS Regions for a globally distributed application with millisecond read latency. Which service provides this?
Which AWS service provides a fully managed serverless compute service that runs code in response to events, scales automatically, and charges only for the compute time consumed?
A company wants to send a notification to multiple different endpoints — an email list, a mobile push notification, and an SQS queue — when a new order is placed. Which AWS service provides this one-to-many messaging capability?
Which AWS storage service is MOST appropriate for storing and serving static website assets such as HTML, CSS, JavaScript files, and images to millions of global users?
A company runs a microservices application where Service A sends tasks to Service B. If Service B is temporarily unavailable, the tasks should not be lost. Which AWS service acts as a buffer to store messages until Service B is ready?
A company wants to build a data pipeline that automatically discovers data in S3, transforms it into a structured format, and loads it into Amazon Redshift for analytics. Which service orchestrates these ETL operations?
Which Amazon EC2 feature allows you to launch a cluster of instances with low-latency, high-bandwidth networking between them — ideal for HPC workloads?
A company wants to migrate their on-premises Microsoft SQL Server database to AWS with minimal downtime using continuous replication. Which combination of AWS tools handles this?
Which of the following BEST describes the purpose of Amazon Kinesis Data Firehose?
A company wants to use AI to generate subtitles for their video content by converting audio to text. Which AWS service provides this?
A company wants to automatically back up all their AWS resources — EC2 volumes, RDS databases, EFS file systems, and DynamoDB tables — using a single, centrally managed service with a consistent backup policy. Which service provides this?
Which AWS service provides a global network of 225+ points of presence that routes user traffic through AWS's private backbone to improve availability and performance for non-HTTP applications?
A company wants to convert their legacy on-premises tape backup infrastructure to a cloud-based solution while keeping the same tape-based backup software. Which AWS service enables this?
Which AWS service provides a managed Kubernetes control plane, with customers responsible only for deploying and managing their containerized workloads on worker nodes?
Which of the following BEST describes Amazon DynamoDB Global Tables?
A company wants to implement a serverless workflow where orders are processed through multiple steps — validate payment, reserve inventory, send confirmation — with retry logic on failure. Which service is BEST suited?
Which AWS service provides automated code reviews that identify critical issues such as race conditions, sensitive data exposure, and resource leaks using ML-powered analysis?
Which of the following correctly describes the purpose of Amazon CloudFront's "origin"?
Which of the following BEST describes the financial benefit of using AWS Reserved Instances for steady-state workloads?
Which of the following is TRUE about AWS data transfer pricing between AWS services in the same Region?
A company commits to spending $10/hour on compute for 3 years to get the maximum Savings Plans discount. After 1 year, they switch from EC2 to mostly Lambda functions. Will they still benefit from the Savings Plans discount?
Which of the following correctly describes how AWS charges for Amazon EC2 Spot Instances when they are interrupted by AWS?
A company wants to ensure that if their primary AWS Region experiences a complete outage, their application can continue to serve users from a secondary Region with minimal downtime. Which disaster recovery strategy achieves this with the LOWEST cost?
Which of the following BEST describes an "AWS Availability Zone"?
A company's architect recommends "designing for failure" in their new AWS application. Which of the following BEST describes what this means?
Which of the following is a benefit of using the AWS Cloud for a startup that has highly uncertain demand projections?
Which of the following AWS services helps organizations discover on-premises servers, map application dependencies, and collect usage data before planning a migration to AWS?
A company has an EC2 instance in a private subnet that needs to download software updates from the internet. Which AWS component allows this outbound-only internet access?
Which AWS service provides managed Kubernetes that automatically handles control plane operations including etcd, API server, and scheduler, while customers manage their worker nodes?
A company needs to run a relational database for a small internal web application with predictable, low traffic. They want the simplest setup with a fixed monthly cost that includes compute, storage, and networking. Which service is BEST?
Which AWS service allows developers to write infrastructure as code using familiar programming languages like Python, TypeScript, and Java, rather than JSON or YAML templates?
A company wants to build a data pipeline that ingests clickstream events from millions of users in real time and delivers them to Amazon S3 for later analysis. Which AWS service is BEST for this delivery pipeline?
Which of the following BEST describes the difference between Amazon CloudWatch Logs and Amazon CloudWatch Metrics?
A company wants to host their MySQL database on AWS with automated backups, Multi-AZ support, and automatic minor version upgrades, without managing any underlying servers. Which service provides this?
Which AWS storage service provides low-latency, persistent block storage that can be used as a boot volume for EC2 instances?
A company's application receives messages from multiple producers and needs to process them exactly once in the order they were sent. Which SQS queue type provides this guarantee?
Which AWS service provides a managed OpenSearch cluster that can be used for log analytics, full-text search, and real-time dashboards without managing cluster infrastructure?
A company wants to use machine learning to predict the number of customer support tickets they will receive each day for the next 30 days to staff their support team appropriately. Which AWS service is BEST suited?
Which AWS service enables you to run SQL queries against structured and semi-structured data in Amazon S3 and pay only for the data scanned, with no infrastructure to provision?
A company wants to back up their on-premises VMware VMs to AWS and quickly restore them in AWS during a disaster. Which service provides this capability?
Which of the following BEST describes the purpose of AWS CodeStar?
A company uses Amazon S3 to store customer-uploaded images. They want to automatically generate thumbnails every time a new image is uploaded. Which architecture achieves this without managing servers?
Which AWS service provides real-time, interactive business intelligence dashboards with ML-powered insights like anomaly detection and forecasting, connected to data in S3, Redshift, and RDS?
Which AWS service provides managed infrastructure for running Apache Kafka workloads without managing the Kafka cluster — including broker provisioning, patching, and scaling?
Which AWS AI service can identify celebrities, compare faces, detect emotions, and recognize unsafe content in images and videos?
A company wants to use AWS to build a chatbot for their website that can understand user intent, maintain conversation context, and integrate with their CRM system via Lambda. Which AWS service is BEST suited?
A company's CEO asks why they should migrate to AWS instead of continuing to own their data center. Which of the following is the STRONGEST argument for AWS?
Which of the following BEST describes the concept of "agility" in the context of AWS Cloud?
A company wants to use AWS to quickly test a new product idea without a large investment. They plan to terminate all resources if the idea fails. Which cloud benefit makes this approach financially viable?
Which AWS service provides an automated tool that collects and presents data about your on-premises server utilization and configuration to help right-size resources during migration planning?
Which of the following statements about AWS's global infrastructure is CORRECT?
Which AWS service provides a browser-based command line environment for running AWS CLI commands without configuring local credentials, available directly from the AWS Management Console?
A company wants to automatically add capacity when their API handles more than 1,000 requests per second and remove it when traffic drops. Which AWS service provides this application-layer auto scaling?
Which of the following BEST describes Amazon Aurora's compatibility with existing database engines?
A company runs a web application with fluctuating traffic. They want to serve users from the geographically nearest healthy endpoint and automatically switch to a secondary Region if the primary fails. Which Route 53 configuration achieves this?
Which AWS storage service provides fully managed Windows-compatible shared file storage using the SMB protocol, integrated with Active Directory for access control?
A company wants to run a one-time data analysis job on 10 TB of CSV data stored in S3 using SQL. Which is the MOST cost-effective approach?
Which AWS service provides a managed, scalable email sending service that can send both transactional emails (receipts, password resets) and marketing emails (newsletters) at high volume?
A company wants to continuously replicate their on-premises servers to AWS so they can fail over quickly in minutes rather than hours during a disaster. Which AWS service provides this continuous replication?
A company wants to deploy a containerized Node.js application to AWS. They want the simplest possible deployment — just provide the container image and let AWS handle networking, scaling, and load balancing. Which service requires the LEAST operational effort?
Which AWS service enables developers to create, test, and debug AWS Lambda functions and other services directly from a web browser without any local setup?
A company wants to use ML to analyze customer reviews and automatically determine whether each review is positive, negative, or neutral. Which AWS service provides this sentiment analysis?
Which of the following BEST describes the use case for Amazon SQS Dead Letter Queues (DLQ)?
A company wants to run their containerized applications on AWS using a serverless compute model where they pay only for the resources consumed by running containers, without managing EC2 instances. Which service provides this?
Which AWS service provides a fully managed, scalable graph database with sub-millisecond query performance for highly connected datasets?
A company wants to implement a global multi-Region database that automatically replicates writes across multiple Regions with under 1-second latency. Which service supports this for NoSQL workloads?
Which of the following BEST describes the purpose of AWS CodePipeline?
A company wants to make intelligent product recommendations to users on their e-commerce website based on their browsing history and purchase patterns. Which AWS ML service is purpose-built for this?
Which of the following BEST describes what Amazon Rekognition can do?
A company uses Amazon S3 to store objects and wants to automatically delete objects that have not been accessed in 180 days to reduce costs. Which S3 feature enables this?
Which AWS service provides a managed continuous integration service that compiles source code, runs tests, and produces software packages ready for deployment?
A company wants to use AI to extract key-value pairs and table data from printed medical forms to automate data entry into their records system. Which AWS service handles this?
Which AWS service provides a managed, reliable, and scalable message queue that allows decoupling microservices, with support for both standard (at-least-once, best-effort ordering) and FIFO (exactly-once, ordered) delivery?
Which of the following BEST describes a scenario where On-Demand EC2 instances are the MOST appropriate purchase option?
Which of the following is TRUE about the AWS "Compute Savings Plans" compared to EC2 Reserved Instances?
A company wants to reduce their AWS data transfer costs between Regions. Which approach reduces inter-Region data transfer costs?
Which AWS resource provides in-depth technical papers covering topics like the AWS Security Best Practices, Architecting for the Cloud, and Storage Services Overview that architects use as reference?
Which of the following BEST describes the concept of "rightsizing" in the context of AWS cost optimization?
Which of the following BEST describes the concept of "operational resilience" as a benefit of AWS Cloud over traditional on-premises IT?
A company's application team wants to gradually modernize their monolithic application by moving one microservice to the cloud at a time while keeping the rest on-premises. Which cloud adoption approach does this represent?
Which of the following CORRECTLY describes the relationship between AWS Regions and data residency?
Which of the following is a benefit of AWS Cloud specifically for companies that operate in multiple countries?
Which AWS compute service provides the SIMPLEST way to run a Docker container on AWS without managing any EC2 instances or Kubernetes clusters?
A company needs a relational database that can handle 100,000 transactions per second. Which Amazon RDS engine option is BEST suited for high-performance OLTP workloads with MySQL compatibility?
A company stores 10 TB of data in Amazon S3 that is accessed frequently. After 6 months, data is rarely accessed but must be retained for 5 years. Which S3 configuration minimizes cost?
Which AWS service provides managed infrastructure for running WordPress, Drupal, and other common web applications with pre-configured stacks, simplest setup, and predictable pricing?
A company wants to analyze streaming data from IoT sensors in real time and run SQL queries on the stream to detect anomalies. Which AWS service supports SQL-based analysis of streaming data?
Which AWS service provides a managed, distributed message queue that supports message delivery to multiple consumers simultaneously through a publish-subscribe model?
A company wants to migrate their self-hosted GitLab (version control) to a managed AWS alternative. Which AWS service provides managed Git repositories?
Which of the following BEST describes Amazon DynamoDB's "on-demand" capacity mode versus "provisioned" capacity mode?
Which AWS service enables customers to run portions of their application at AWS edge locations to reduce latency — specifically for CloudFront-distributed content?
A company wants to build a machine learning model to classify customer support tickets. Which AWS service provides the managed environment to build, train, and deploy this ML model?
Which AWS service provides a managed, serverless compute environment specifically designed for running large-scale batch computing jobs that require thousands of vCPUs and automatic job scheduling?
A company uses Amazon SNS to send notifications. They want to ensure that if a subscriber's endpoint (e.g., an HTTP endpoint) is temporarily unavailable, messages are not lost. What should they add?
Which AWS service provides a visual, drag-and-drop interface for designing and running serverless workflows that can orchestrate multiple Lambda functions, human approval steps, and AWS service integrations?
A company wants to detect when their web application's images contain inappropriate content before displaying them to users. Which AWS service provides content moderation?
Which of the following BEST describes the purpose of Amazon Elastic File System (EFS)?
A company wants to deploy their application to AWS using a blue/green deployment strategy, where a new version is deployed alongside the current version and traffic is gradually shifted. Which AWS service manages this deployment strategy for EC2?
Which AWS service provides a managed relational database service specifically optimized for data warehousing with columnar storage, massively parallel processing (MPP), and petabyte-scale analytics?
A company wants to use AWS to build a recommendation system that suggests products to users based on their purchase history. They have ML expertise in-house. Which AWS service provides the most flexible platform for this?
A company wants to optimize their AWS bill and receives a recommendation to use Savings Plans. After reviewing, they decide to commit $100/hour for 1 year. Which services does a "Compute Savings Plan" automatically apply discounts to?
Which AWS pricing benefit allows companies to use multiple services together cost-effectively — for example, using CloudFront with S3 reduces S3 data transfer costs?
Which of the following BEST describes how to reduce data transfer costs when serving static content like images and videos from Amazon S3 to global users?
Which of the following BEST describes when a company should use "Spot Instances" versus "On-Demand Instances"?
A retail company experiences high traffic only during the holiday season. Which cloud benefit allows them to handle this without over-provisioning year-round?
What is the primary benefit of deploying across multiple AWS Availability Zones?
Which of the following represents a FIXED cost in traditional IT infrastructure?
A company needs to process thousands of batch computing jobs in parallel. Which AWS compute service is most appropriate?
Which EC2 instance type is optimized for memory-intensive workloads like in-memory databases?
A developer needs to run a small website with a simple database. Which AWS service provides a simple, low-cost solution with a fixed monthly price?
Which AWS service automatically distributes incoming application traffic across multiple targets?
An application needs to store temporary data that is only needed during the lifetime of an EC2 instance. Which storage type is best?
Which S3 storage class is most cost-effective for data that is rarely accessed and can tolerate retrieval times of hours?
Which AWS service provides a managed file system compatible with Windows SMB protocol?
A company wants their on-premises applications to access AWS storage as if it were local storage. Which service enables this?
Which AWS service is used for DNS-based routing policies like weighted routing and failover routing?
Which of the following is an in-scope managed relational database service on AWS? (Select TWO)
A company needs a caching layer to reduce load on their database. Which AWS service is most appropriate?
Which AWS service allows you to run Kubernetes without managing the control plane?
Which deployment model describes infrastructure that is physically located on-premises but managed through AWS Outposts?
Which AWS service provides real-time processing of streaming data like IoT sensor feeds?
A company wants to send email notifications when an order is placed. Which AWS messaging service is appropriate?
Which AWS service decouples application components by storing messages in a queue until they are processed?
Which ML service analyzes images and videos to detect objects, faces, and scenes?
Which AWS service extracts text and structured data from scanned documents?
Which AWS service converts speech (audio) to text?
A company wants to build a scalable REST API with authentication and throttling. Which service should they use?
Which AWS service provides a managed version control system (Git repositories)?
A company wants to get personalized architectural guidance for a specific AWS project. Which AWS service connects them with AWS-certified experts for hire?
Which of the following correctly describes Savings Plans on AWS?
A company is charged for data transfer. Which of the following data transfer scenarios is typically FREE on AWS?
A company wants to use their existing Windows Server licenses on AWS. Which licensing model supports this?
Dedicated Instances differ from Dedicated Hosts in that:
Which AWS resource provides curated, step-by-step guidance for implementing AWS best practices?
Which AWS Support feature provides proactive guidance to help avoid potential issues before they occur?
A company needs to move 80 TB of data to AWS. Their internet connection would take too long. Which service should they use?
A manufacturing company runs simulations that require 10,000 CPU cores for 2 hours, twice a year. On-premises, this would require purchasing and maintaining hardware used less than 1% of the time. Which cloud benefit MOST directly makes this economically viable on AWS?
Which of the following BEST explains the business case for "high availability" as a cloud investment?
A company wants to build a product that uses the latest in machine learning without hiring ML specialists. Which AWS cloud benefit enables this?
Which of the following CORRECTLY describes why AWS Wavelength Zones are used?
Which of the following BEST describes the AWS concept of "immutable infrastructure"?
Which AWS service helps companies assess which of their on-premises applications have dependencies on other applications or infrastructure components, helping them plan migration waves?
A company is building a cloud-first strategy. Their CTO asks: "What is the MOST important first step when moving to AWS?" Which answer reflects AWS best practices?
A company needs a database that can store unstructured sensor readings with varying attributes — some sensors report temperature only, others report temperature, humidity, and pressure. Which AWS database is MOST flexible for this schema-less data?
Which of the following BEST describes how "Amazon EC2 Auto Scaling" improves both availability and cost efficiency simultaneously?
A company wants to run their Java web application on AWS with the platform managing JVM, Tomcat, load balancing, and auto scaling — while the team only manages the WAR file. Which service provides this?
A company needs to process customer orders exactly once and in the order they were received — no duplicate processing and no out-of-order execution. Which AWS messaging service guarantees this?
Which AWS storage service provides block storage that can be attached to multiple EC2 instances simultaneously (Multi-Attach), useful for clustered database workloads?
A company uses Amazon RDS MySQL. Their analytics team runs heavy queries that slow down production. Which RDS feature offloads read traffic to a separate database instance?
Which AWS service provides a managed workflow for building data pipelines that can crawl data sources, create a data catalog, and run ETL jobs to transform data for analysis?
A company's mobile application allows users to upload profile photos. They want to automatically resize photos to thumbnail size immediately after upload. Which architecture achieves this without managing servers?
Which of the following BEST describes the use case for "Amazon Kinesis Data Streams" vs "Amazon Kinesis Data Firehose"?
Which AWS AI service helps companies build conversational interfaces — such as a voice-enabled ordering system for a restaurant — using automatic speech recognition and natural language understanding?
A company wants to make their static web content available globally with the LOWEST possible time-to-first-byte for users around the world. Which architecture achieves this?
Which of the following CORRECTLY describes "Amazon Route 53 Resolver"?
A company uses AWS CloudFormation to deploy their infrastructure. They want to deploy the same template across 10 AWS accounts and 3 Regions simultaneously. Which CloudFormation feature handles this?
Which of the following BEST describes the difference between "Amazon SES" and "Amazon Connect"?
A company wants to build a recommendation engine that learns from millions of user interactions and improves over time. Which AWS service is purpose-built for this personalization use case?
Which of the following BEST describes the purpose of "AWS Systems Manager Run Command"?
Which of the following BEST describes the purpose of "Amazon EventBridge Pipes"?
Which of the following CORRECTLY describes the difference between "Amazon ECR" and "Amazon ECS"?
Which of the following BEST describes why "AWS Compute Optimizer" recommendations may differ from "AWS Trusted Advisor" cost optimization checks for EC2?
A company wants to understand the full financial impact of their decision to use Spot Instances for their batch processing workload. Which statement CORRECTLY describes Spot pricing behavior?
Which of the following CORRECTLY describes the cost benefit of using "Amazon S3 Intelligent-Tiering" compared to keeping all objects in S3 Standard?
Which of the following is a characteristic of cloud computing according to AWS?
Which of the following is the BEST description of agility in AWS Cloud?
A company is evaluating AWS to reduce the time spent managing undifferentiated heavy lifting. What does this phrase mean in cloud context?
Which of the following is an example of a responsibility that is SHARED between AWS and the customer?
Which AWS service provides a fully managed message broker supporting Apache ActiveMQ and RabbitMQ?
A company wants to run a Windows desktop environment accessible from anywhere via a browser. Which service should they use?
Which AWS service is used to stream desktop applications (not full desktops) to users via a browser?
A company needs to migrate a large on-premises SQL Server database to AWS with minimal downtime. Which service supports ongoing replication during migration?
Which AWS service automatically discovers on-premises servers and their dependencies before migration?
An e-commerce company wants to send order confirmation emails at scale. Which service is appropriate?
Which AWS service orchestrates multiple AWS services into serverless workflows?
A media company wants to serve 4K video content to millions of users globally with low latency. Which AWS service is most appropriate?
Which of the following correctly describes Amazon Aurora Serverless?
Which AWS service provides a managed Hadoop ecosystem for big data processing?
Which AWS service is a serverless ETL (Extract, Transform, Load) service for preparing data for analytics?
Which AWS service provides intelligent search capabilities powered by machine learning for enterprise data?
Which service helps developers build mobile and web applications with authentication, APIs, and hosting?
Which AWS service tests mobile and web applications on real devices in the AWS Cloud?
Which AWS service provides a cloud-based IDE accessible via a browser?
Which service provides a browser-based shell for running AWS CLI commands without any local installation?
A company wants to extend AWS infrastructure and services to their on-premises data center. Which service enables this?
Which AWS infrastructure option places compute and storage resources closer to 5G networks for ultra-low latency mobile applications?
Which AWS service manages IoT devices at the edge by running AWS Lambda functions locally?
Which of the following is NOT a compute purchasing option available on AWS?
A company purchased a 1-year Reserved Instance for us-east-1. They later realize they need it in eu-west-1. Which RI type allows this flexibility?
Which statement about Spot Instances is TRUE?
Which AWS resource provides curated answers to the most frequently asked AWS support questions?
Which AWS Health service provides a personalized view of AWS service health events that may affect your specific resources?
A company wants to test a new product idea without making large infrastructure investments. Which cloud benefit enables this?
Which of the following is NOT a benefit of moving to the AWS Cloud?
Which of the following describes the "design for failure" principle in AWS?
Which of the following best describes the relationship between AWS Regions and Availability Zones?
Which AWS compute service is best suited for running Docker containers without managing any underlying infrastructure?
Which AWS service provides a managed Kubernetes control plane, allowing customers to run Kubernetes without managing the control plane nodes?
A company has a legacy application that requires a specific OS configuration. Which EC2 feature lets them use a pre-configured OS image?
Which AWS service provides a registry for storing and managing Docker container images?
Which AWS networking component allows resources in a private subnet to access the internet without being directly accessible from the internet?
Which AWS service enables private connectivity between two VPCs, allowing resources to communicate as if they were in the same network?
Which AWS service allows you to run SQL queries directly against data in S3 without loading it into a database, and charges per query?
Which AWS database service is best suited for a leaderboard application requiring microsecond latency?
Which AWS service provides managed search capabilities powered by OpenSearch (formerly Elasticsearch)?
A company needs to replicate their on-premises NFS file share to AWS for backup. Which service provides this?
Which AWS service is used to transfer large datasets into AWS using physical storage devices sent by mail?