AWS Solutions Architect Associate Highperformingarchitectures — practice questions

Explore 2 free Highperformingarchitectures questions in AWS Solutions Architect Associate Cloudcomputing. Open each question or exercise to read its content, reference answers and available explanation.

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Highperformingarchitectures questions and exercises with answers

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Which S3 storage class is BEST suited for data accessed frequently with millisecond latency?Read the answer and worked solution →Which AWS service caches database query results or session data in memory to reduce read load on the primary DB?Read the answer and worked solution →

Worked practice questions

Which S3 storage class is BEST suited for data accessed frequently with millisecond latency?

Amazon S3 Standard
Amazon S3 Glacier Instant Retrieval at the cheapest tier
Amazon S3 Glacier Flexible Retrieval
Amazon S3 Glacier Deep Archive

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Correct answer: A. Amazon S3 Standard

S3 Standard is the always-on hot tier with millisecond latency and no minimum retention. Glacier classes are progressively colder — Deep Archive needs hours to restore.

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Which AWS service caches database query results or session data in memory to reduce read load on the primary DB?

AWS Direct Connect
Amazon ElastiCache (Redis or Memcached)
AWS Outposts
Amazon CloudHSM

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Correct answer: B. Amazon ElastiCache (Redis or Memcached)

ElastiCache offers managed Redis/Memcached for in-memory caching in front of relational/NoSQL stores. CloudHSM is hardware crypto, Outposts is on-prem racks, Direct Connect is private fibre — none are caches.