Cache & HttpCache Session

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Symfony | Cache & Httpcache

06-03-2026

Question 1 of 12

What is the primary purpose of Symfony's

Cache component

To provide a standardized way to store and retrieve data from various caching systems. To manage user authentication and authorization. To handle database interactions. To handle HTTP requests and responses.

Question 2 of 12

Which interface must a cache adapter implement in Symfony?

CacheInterface

AdapterInterface

CacheItemInterface

CacheProviderInterface

Question 3 of 12

What does the

CacheItemInterface

represent in Symfony's caching system?

A specific item stored in the cache. A cache adapter. A cache pool. A configuration setting for the cache.

Question 4 of 12

Which method is used to retrieve a value from the cache using the

CacheItemInterface

get()

fetch()

retrieve()

obtain()

Question 5 of 12

What is the purpose of

HttpCache

in Symfony?

To cache database queries. To cache entire HTTP responses for improved performance. To cache template fragments. To cache user session data.

Question 6 of 12

Which HTTP header is commonly used by

HttpCache

to indicate the cache's freshness?

Cache-Control

Content-Type

Expires

Both

Cache-Control

and

Expires

Question 7 of 12

What is a 'cache stampede' and how can Symfony's caching mechanisms help mitigate it?

A sudden surge in cache invalidations; Symfony's lockable cache. A database connection error; Symfony's database profiling tools. A security vulnerability; Symfony's security component. A routing error; Symfony's routing component.

Question 8 of 12

How can you invalidate a specific cache item in Symfony?

Using the

deleteItem()

method of the

CacheInterface

. By deleting the cache directory. By restarting the web server. By clearing all the cache using the command line.

Question 9 of 12

Which of the following is NOT a built-in cache adapter in Symfony?

ArrayAdapter

FilesystemAdapter

MemcachedAdapter

RedisAdapter

Question 10 of 12

What does the

isHit()

method of the

CacheItemInterface

do?

Checks if the cache item exists. Checks if the cache item has expired. Checks if the cache item is valid. Checks if the cache item has been modified.

Please select an answer

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