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

AAWS Direct Connect
BAmazon ElastiCache (Redis or Memcached)
CAWS Outposts
DAmazon CloudHSM
Answer & Solution
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.
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