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AWS Certified Developer Associate DVA-C02 Practice Question

Implementing a lazy loading caching strategy means that the cache will only be populated with data when there is a cache miss, and this data will be retained until explicitly removed or evicted based on least recently used (LRU) criteria.

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Answer Description

The statement provided correctly defines the concept of lazy loading as a caching strategy. In lazy loading, data is loaded into the cache only on demand, that is, when that specific data is requested and is not found in the cache (a cache miss). Once the data is loaded into the cache, it remains there until some eviction policy removes it, which could be time-based (TTL) or based on usage patterns such as LRU criteria. This contrasts with strategies like write-through or read-through, where the cache is more proactively populated with data.

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