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Which Memorystore feature should a Data Engineer enable to keep a Redis cache available during a zone failure?
ACloud Filestore
BMemorystore for Redis with Read Replicas + Standard tier (or Memorystore for Redis Cluster for multi-shard HA)
CSingle-instance basic tier
DCloud DNS
Answer & Solution
Correct answer: B. Memorystore for Redis with Read Replicas + Standard tier (or Memorystore for Redis Cluster for multi-shard HA)
Standard tier with replicas / Redis Cluster gives Memorystore HA (per PDE §5.5 Redis clusters). The others lack HA.
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