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SOA-C02 · Question #528

An ecommerce company uses an Amazon ElastiCache for Redis cluster for in-memory caching of popular product queries on a shopping website. The cache eviction policy is randomly evicting keys whether or

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Submitted by neha2k· Mar 30, 2026Cost and Performance Optimization

Question

An ecommerce company uses an Amazon ElastiCache for Redis cluster for in-memory caching of popular product queries on a shopping website. The cache eviction policy is randomly evicting keys whether or not a TTL is set. A SysOps administrator must improve the cache hit ratio without increasing costs. Which solution will meet these requirements?

Options

  • AAdd another node to the ElastiCache cluster.
  • BIncrease the ElastiCache TTL value.
  • CChange the eviction policy to randomly evict keys that have a TTL set.
  • DChange the eviction policy to evict the least frequently used keys.

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Topics

#ElastiCache Redis#eviction policy#cache hit ratio#LFU
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