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AWS Certified Solutions Architect – Associate (SAA-C03) practice questions

211 free questions with answers and explanations.

Practice test
  1. 51.A media company is building a new video-on-demand (VOD) platform. They need a storage solution for their vast library of video assets that offers high durability, high availability, and easy integration with other AWS media services. The videos will be accessed frequently by users worldwide. Which Amazon S3 storage class is most appropriate for this use case?Design High-Performing Architectures
  2. 52.A financial institution is migrating a critical, high-transactional database from on-premises to AWS. The database experiences unpredictable and spiky workloads, with peak transaction rates reaching hundreds of thousands per second, followed by periods of low activity. Performance and availability are paramount, and the solution must be cost-optimized to avoid over-provisioning during quiet periods. Which AWS database solution is most appropriate?Design High-Performing Architectures
  3. 53.A large enterprise has hundreds of legacy applications running on-premises that need to connect to new microservices deployed in various VPCs across multiple AWS regions. The enterprise requires a highly available, high-bandwidth, and low-latency network connection between its on-premises data centers and AWS. They also need to simplify network management and reduce the operational overhead of managing numerous VPN connections. Which networking solution should they implement?Design High-Performing Architectures
  4. 54.A data engineering team is building a pipeline to ingest continuously flowing clickstream data from millions of users for real-time analytics. The data needs to be processed in order and persist for at least 24 hours for replayability. The solution must handle high throughput and be capable of integrating with other AWS services for further processing. Which AWS service is best suited for this task?Design High-Performing Architectures
  5. 55.A company is redesigning its monolithic application into microservices using Amazon ECS. Each microservice needs its own persistent, high-performance storage that can be accessed concurrently by multiple tasks within the same ECS cluster. The storage must also be highly available and durable. Which AWS storage solution is appropriate for this requirement?Design High-Performing Architectures
  6. 56.A research institution needs to process massive datasets (terabytes to petabytes) for scientific simulations. These jobs are computationally intensive, can run for many hours, and are fault-tolerant, meaning they can be interrupted and resumed without significant loss. The institution has a strict budget and wants to minimize compute costs. Which EC2 purchasing option is most suitable?Design High-Performing Architectures
  7. 57.A financial services company is migrating a critical, high-transactional database from on-premises to AWS. The database requires extremely low latency (sub-millisecond) for reads and writes, high I/O operations per second (IOPS), and must scale to handle millions of transactions per second. Data durability and transactional consistency are paramount. The team is looking for a fully managed solution.Design High-Performing Architectures
  8. 58.A data analytics company processes large datasets daily, requiring high-bandwidth, low-latency network connectivity between their on-premises data center and AWS VPC. The existing internet VPN connection is insufficient for the volume of data transferred and introduces unacceptable latency. They need a dedicated, private connection that ensures consistent network performance and enhanced security.Design High-Performing Architectures
  9. 59.A financial services company processes millions of transactions daily, requiring a database that can handle extremely high read and write throughput with microsecond latency. Data consistency is paramount, and the database must scale effortlessly as transaction volumes increase. Which AWS database solution is best suited for this requirement?Design High-Performing Architectures
  10. 60.A data analytics company needs to process petabytes of historical data stored in Amazon S3. The processing jobs are intermittent, run for several hours, and require significant compute resources. Cost optimization is a major concern. Which compute solution would be most cost-effective and scalable for this workload?Design High-Performing Architectures
  11. 61.A global software company provides a SaaS application that serves customers across North America, Europe, and Asia. The application's backend consists of EC2 instances running in multiple AWS regions. The company wants to route user requests to the nearest healthy application endpoint to minimize latency and improve user experience, even during regional outages. Which AWS networking service should they use?Design High-Performing Architectures
  12. 62.A startup is launching a new mobile application that expects rapid, unpredictable growth in user traffic. The application uses a relational database. The database must be highly available, fault-tolerant, and scale seamlessly to handle sudden surges in demand without manual intervention, while optimizing costs during low traffic periods. Which AWS database solution meets these requirements?Design High-Performing Architectures
  13. 63.A global software company provides a SaaS application that serves customers across North America, Europe, and Asia. Users in each region must experience the lowest possible latency when accessing the application. The application backend is deployed across multiple AWS regions, and data consistency is eventually consistent. Which routing policy should be implemented to achieve optimal user experience globally?Design High-Performing Architectures
  14. 64.A global SaaS provider needs to distribute a web application across multiple AWS regions to ensure high availability and disaster recovery, as well as to minimize latency for users worldwide. The application needs a single entry point that intelligently routes user traffic to the nearest healthy application endpoint. The solution must also support A/B testing and blue/green deployments seamlessly.Design High-Performing Architectures
  15. 65.A global gaming company is developing a new multiplayer online game. The game server architecture is distributed across multiple AWS regions to reduce latency for players worldwide. They need a networking solution that can direct players to the closest game server endpoint and quickly reroute traffic in case of a regional server failure, ensuring a seamless gaming experience. Which AWS service is most suitable for this requirement?Design High-Performing Architectures
  16. 66.A global software company provides a SaaS application that serves customers across North America, Europe, and Asia. The application uses a multi-Region active-active architecture to ensure high availability and low latency. The company needs a DNS solution that directs users to the closest healthy application endpoint, automatically failing over to other healthy regions if an entire region becomes unavailable. Which Amazon Route 53 routing policy should be implemented?Design High-Performing Architectures
  17. 67.A data engineering team is building a pipeline to ingest continuously flowing clickstream data from a high-traffic website. The data needs to be processed in real-time for analytics dashboards and then stored in Amazon S3 for long-term archival. The solution must handle fluctuating data volumes, ensure data durability, and minimize operational overhead. Which AWS service should be used for ingesting and processing this stream data?Design High-Performing Architectures
  18. 68.A global SaaS provider wants to ensure their web application is highly available and performs optimally for users worldwide. The application is deployed across multiple AWS regions. They need a solution that can automatically route users to the nearest healthy application endpoint, provide static IP addresses, and improve performance over the public internet. Which AWS service should they use?Design High-Performing Architectures
  19. 69.A web application experiences predictable daily traffic patterns, with peak usage occurring during business hours and significantly lower usage overnight. The application is hosted on Amazon EC2 instances. To optimize costs and maintain performance, the Solutions Architect wants to ensure that compute capacity scales up during peak times and scales down during off-peak hours automatically. Which EC2 Auto Scaling feature should be configured?Design High-Performing Architectures
  20. 70.An online gaming company is experiencing unpredictable traffic spikes during peak hours and game releases. Their current compute infrastructure, based on a fixed number of EC2 instances, frequently struggles to keep up, leading to poor user experience. The company needs a highly scalable and cost-effective solution that can automatically adjust compute capacity based on demand, minimizing operational overhead.Design High-Performing Architectures
  21. 71.A media streaming company needs to store petabytes of video content that will be accessed frequently by millions of users worldwide. The content must be delivered with the lowest possible latency and high transfer speeds. The company wants to minimize data transfer costs while ensuring scalability. Which combination of AWS services should they use?Design High-Performing Architectures
  22. 72.A research institution needs to process massive datasets (terabytes to petabytes) for scientific simulations. These simulations are computationally intensive and can run for extended periods, but they are fault-tolerant and can be restarted from checkpoints if interrupted. The institution has a strict budget and wants to minimize compute costs. Which EC2 purchasing option is most suitable for this scenario?Design High-Performing Architectures
  23. 73.A rapidly growing e-commerce application stores product images and videos in an Amazon S3 bucket. The application frequently serves these assets to customers globally. To improve load times and reduce the burden on the origin S3 bucket, a Solutions Architect decides to implement Amazon CloudFront. Which CloudFront feature will ensure that the most popular content is readily available at edge locations, minimizing latency for repeat requests?Design High-Performing Architectures
  24. 74.A startup is building a real-time analytics dashboard that ingests thousands of events per second from various sources. Each event needs to be processed, transformed, and then stored in a data warehouse for immediate visualization. The solution must be highly scalable, durable, and capable of handling fluctuating ingestion rates without data loss.Design High-Performing Architectures
  25. 75.A large enterprise has several hundreds of legacy applications running on-premises that need to connect to new microservices deployed in various VPCs across multiple AWS regions. These applications require high-bandwidth, consistent network performance, and secure, private connectivity. The enterprise wants to simplify network management and reduce operational complexity. Which AWS networking service should be used to achieve this?Design High-Performing Architectures
  26. 76.A startup is launching a new mobile application that expects rapid, unpredictable growth in user traffic. The application uses a relational database. The database must be highly available, automatically scale its compute and storage capacity without downtime, and only incur costs for the resources consumed. Which AWS database service meets these requirements?Design High-Performing Architectures
  27. 77.A media company is hosting a popular live streaming event that is expected to attract millions of concurrent viewers globally. The video content needs to be delivered with low latency and high availability to ensure a smooth viewing experience. The company wants to minimize the load on its origin servers and handle traffic spikes efficiently. Which AWS services should be combined to achieve this goal?Design High-Performing Architectures
  28. 78.A media company is developing a new video-on-demand (VOD) platform. They need a storage solution for their extensive library of high-resolution video files that must be immediately accessible for streaming. The solution must offer high throughput, low latency, and be highly available across multiple Availability Zones. Cost optimization is also a key consideration, but performance cannot be sacrificed.Design High-Performing Architectures
  29. 79.A company is redesigning its monolithic application into microservices using Amazon ECS. Several microservices require shared, low-latency block storage that can be accessed by multiple containers running on different EC2 instances within the same Availability Zone. The storage needs to be highly available and persistent. Which AWS storage solution is appropriate for this requirement?Design High-Performing Architectures
  30. 80.A data analytics company needs to process petabytes of historical data stored in Amazon S3. The processing jobs are computationally intensive but can tolerate interruptions. The company wants to minimize costs while completing the analysis within a flexible timeframe. Which compute solution should they use?Design High-Performing Architectures
  31. 81.A data engineering team is building a pipeline to ingest continuously flowing clickstream data from a high-traffic e-commerce website. The data needs to be captured, processed in real-time, and then loaded into a data lake for long-term analysis. The solution must be fully managed, scalable to handle petabytes of data, and provide built-in fault tolerance.Design High-Performing Architectures
  32. 82.A research institution needs to perform complex scientific simulations that require massive parallel processing capabilities. These simulations can run for hours or days, are computationally intensive, and can tolerate interruptions. The institution wants to minimize costs while ensuring access to powerful compute resources.Design High-Performing Architectures
  33. 83.A data engineering team is building a pipeline to ingest continuously flowing clickstream data from a website. The data needs to be processed in real-time for immediate analytics and then stored durably for long-term historical analysis. The volume of data can fluctuate significantly, reaching terabytes per hour during peak times. Which AWS service is best suited for ingesting and processing this real-time stream at scale?Design High-Performing Architectures
  34. 84.A global media company needs to distribute large video files (up to 50 GB each) to its content creators and partners located worldwide. These files are updated frequently, and fast, reliable downloads are crucial for collaboration. The solution must provide high throughput and low latency for uploads and downloads from any location. Which AWS storage and networking services combination should they use?Design High-Performing Architectures
  35. 85.A global media company needs to distribute large video files (up to 50 GB each) to its content creators worldwide for editing. These files must be accessible with low latency, and the solution should minimize data transfer costs while ensuring high availability. Which combination of AWS services would best meet these requirements?Design High-Performing Architectures
  36. 86.A financial institution is building a new high-frequency trading platform. The platform requires extremely low-latency network connectivity between its Amazon EC2 instances and its on-premises trading systems. Network jitter must be minimized, and bandwidth needs to be consistently high, up to 100 Gbps. A Solutions Architect needs to design the network architecture to meet these stringent requirements. Which networking solution should be implemented?Design High-Performing Architectures
  37. 87.A media company is building a new content delivery platform. They need to store terabytes of video content that will be frequently accessed by users worldwide. The primary requirements are low latency for global viewers, high availability, and cost-effectiveness for frequently accessed objects. Which storage solution combination should they choose?Design High-Performing Architectures
  38. 88.A global e-commerce company needs to serve static content (images, CSS, JavaScript) to its customers worldwide with the lowest possible latency and highest availability. The content is stored in a single Amazon S3 bucket in us-east-1. The solution must also protect against DDoS attacks and integrate seamlessly with existing AWS services.Design High-Performing Architectures
  39. 89.A global e-commerce application experiences unpredictable traffic spikes during major sales events. The application is containerized and runs on Amazon ECS. To ensure high availability and responsiveness during these spikes, and to scale down efficiently when traffic subsides, which scaling strategy should be implemented?Design High-Performing Architectures
  40. 90.A company is building a new microservices application that requires a highly performant and scalable messaging queue to decouple its services. The queue needs to support millions of messages per second, ensure message delivery even if a consumer is unavailable, and allow multiple consumers to process the same message stream independently. Which AWS service should be used?Design High-Performing Architectures
  41. 91.A media company wants to analyze user behavior on their website in real-time to personalize content and recommend products. They need a database that can handle millions of requests per second, store semi-structured data (user profiles, clickstream data), provide single-digit millisecond latency, and scale globally. The data model is flexible and evolving.Design High-Performing Architectures
  42. 92.A data analytics startup needs to process petabytes of historical data stored in Amazon S3 for daily batch analytics jobs. These jobs are computationally intensive and can take several hours to complete. The startup wants to optimize costs by only paying for compute capacity when needed and automatically scaling resources based on the workload. Which AWS compute solution would be most cost-effective and scalable for this requirement?Design High-Performing Architectures
  43. 93.A global gaming company is developing a new multiplayer online game. The game server architecture needs to support millions of concurrent players with extremely low latency across different continents. Player sessions are stateful and require persistent connections. Which networking solution would provide the best performance and user experience for this global game?Design High-Performing Architectures
  44. 94.A company is migrating a legacy on-premises application that relies heavily on a shared file system accessible via NFS. The application requires low-latency access and consistent throughput, and multiple EC2 instances need to concurrently read and write to the same file system. Which AWS storage service is the most appropriate for this scenario?Design High-Performing Architectures
  45. 95.A financial services company is migrating its on-premises data archiving solution to AWS. They have petabytes of infrequently accessed data that must be retained for seven years due to regulatory compliance. Data retrieval times can be flexible, ranging from several hours to a day. The company wants to minimize storage costs while meeting compliance requirements. Which AWS storage solution is the most cost-effective for this scenario?Design Cost-Optimized Architectures
  46. 96.A large enterprise is migrating its legacy on-premises applications to AWS. Some of these applications require dedicated physical servers for licensing compliance and regulatory reasons. The enterprise wants to minimize operational costs while meeting these requirements. Which EC2 purchasing option should they use?Design Cost-Optimized Architectures
  47. 97.A software development company is using AWS CodeBuild for its continuous integration pipeline. They have several build projects that run frequently throughout the day. To optimize costs, they want to ensure that CodeBuild environments are not idle for longer than necessary after a build completes. Which CodeBuild feature helps achieve this cost optimization?Design Cost-Optimized Architectures
  48. 98.A global company uses AWS Organizations to manage multiple AWS accounts. They have several development teams that frequently spin up and tear down EC2 instances, sometimes leaving them running unnecessarily overnight or on weekends. The company wants to implement a cost-optimization strategy to automatically identify and stop/terminate idle EC2 instances across all accounts. Which AWS service or feature combination is the most cost-effective and scalable for this task?Design Cost-Optimized Architectures
  49. 99.A company is running a batch processing workload on EC2 instances that takes approximately 10 hours to complete daily. The workload is predictable and runs at the same time every day. They want to achieve significant cost savings compared to On-Demand pricing. Which EC2 purchasing option offers the best balance of cost savings and commitment for this predictable, long-running workload?Design Cost-Optimized Architectures
  50. 100.A research institution uses a large number of Amazon EC2 instances for scientific simulations. These simulations are computationally intensive and run continuously for several months. The institution has a limited budget and wants to achieve the lowest possible cost for their compute resources. Which EC2 purchasing option should they choose?Design Cost-Optimized Architectures