1 / 5
When data changes, we must ___ the stale cache entries.
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To invalidate the cache means to mark entries as stale. Invalidate is the precise term; the distractors are informal.
2 / 5
A high ___ ratio means most requests are served from cache.
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A hit ratio measures how often the cache serves data. Hit is the standard collocation; the others are wrong.
3 / 5
We can ___ the cache before peak hours to avoid cold starts.
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To warm the cache means to preload data. Warm is the idiomatic term; the distractors do not collocate.
4 / 5
The cache will ___ old entries once it reaches its limit.
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To evict entries means to remove them per a policy. Evict is the exact verb; the others are casual or wrong.
5 / 5
Each entry has a TTL that determines when it will ___.
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To expire means a cache entry becomes invalid after its TTL. Expire is precise; the distractors are informal.