20+ practice questions focused on Design High-Performing Architectures — one of the most tested topics on the AWS Certified Solutions Architect - Associate exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Design High-Performing Architectures PracticeA developer team uses Amazon EFS for a content management system across multiple EC2 instances. They notice performance degradation during heavy file operations. Which TWO configurations would improve performance for this shared file system? (Select TWO.)
Explanation: Option A is correct because switching to Provisioned Throughput mode lets you specify a fixed throughput (MiB/s) independent of the file system's size, which directly addresses performance degradation during heavy file operations by guaranteeing higher aggregate throughput than Bursting mode may provide. Option B is correct because Max I/O performance mode is designed for highly parallel workloads with many EC2 instances and high aggregate throughput, scaling to thousands of concurrent file operations, which suits a multi-instance CMS under heavy load. Option C is incorrect because General Purpose is the default mode optimized for latency-sensitive workloads with limited concurrency, not for the heavy parallel operations described. Option D is incorrect because the Infrequent Access storage class is a cost-optimization tier for rarely accessed files and does not improve throughput or performance. Option E is incorrect because EBS Multi-Attach supports only io1/io2 volumes attached to instances in a single AZ and is not a shared, scalable file system replacement for EFS.
A developer needs to accelerate the delivery of dynamic content to global users. Which service should be used to provide the best performance?
Explanation: Amazon CloudFront is a valid and commonly used solution for accelerating dynamic content via its dynamic site acceleration features (using persistent connections and optimized routing). While Global Accelerator is excellent for non-HTTP/TCP/UDP traffic, CloudFront is specifically designed to accelerate dynamic HTTP/HTTPS content. The question is ambiguous, but CloudFront is frequently the intended answer for 'dynamic content' in AWS SAA exams.
A large-scale application uses a monolithic SQL database that is reaching its throughput limit. The workload is a mix of complex analytical queries and simple transactions. What is the most performant way to scale?
Explanation: Separating transactional (OLTP) and analytical (OLAP) workloads is a critical performance pattern. Offloading analytical queries to a dedicated data warehouse (such as Amazon Redshift) or a separate database ensures that heavy analytical queries do not consume the resources of the primary transactional database or block critical business transactions. Simply adding read replicas (Option A) can still impact replication lag and transactional performance if the analytical queries are complex and resource-intensive, making a dedicated data warehouse the most performant solution for mixed heavy workloads.
A company is experiencing performance latency in their application because of frequent DNS lookups. What is the best way to reduce the impact of these lookups?
Explanation: DNS lookup latency is typically caused by the application performing a DNS query for every request. Implementing DNS caching (at the application or OS level) ensures that the IP address is resolved once and reused, eliminating the round-trip time to the DNS resolver for subsequent requests. Route 53 Resolver Endpoints are for hybrid cloud connectivity and do not address application-level DNS lookup latency.
A global application uses an ALB. Users report that the application is slow in some regions. Which configuration change will improve performance for global users?
Explanation: AWS Global Accelerator uses the AWS global network to route user traffic to the optimal endpoint, improving performance for global users by reducing latency and jitter. Deploying the application to more regions and using Global Accelerator ensures that users are directed to the nearest healthy endpoint, thus improving performance.
+15 more Design High-Performing Architectures questions available
Practice all Design High-Performing Architectures questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Design High-Performing Architectures. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Design High-Performing Architectures questions on the SAA-C03 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Design High-Performing Architectures is tested as part of the AWS Certified Solutions Architect - Associate blueprint. Practicing with targeted Design High-Performing Architectures questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Design High-Performing Architectures is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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