Caching Junior

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What is cache invalidation?

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1

The process of expanding cache storage capacity.

2

The method of backing up cache data to a secure location.

3

The process of removing outdated data from the cache.

4

The action of encrypting cache data for security.

What is a cache miss?

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1

A scenario where data retrieval is slower than usual.

2

An event where the database becomes unavailable.

3

An event where requested data is not found in the cache.

4

A situation where the server fails to respond.

What is a cache key and how is it used?

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1

A unique identifier used to store and retrieve cached data.

2

A tool for managing database connections.

3

A password used for user authentication.

4

A special key used to unlock secure databases.

What is caching?

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1

A process of compressing data to save storage space.

2

A technique to balance load among servers.

3

A method of securing data using encryption.

4

A process of storing frequently accessed data in a temporary storage.