Web Caching MCQs With Answers

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Web Caching Online Quiz

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• Test Name: Web Caching MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Web Caching

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1 / 40

What is the role of the Vary HTTP header in web caching?

Encoding data

Specifying which request headers to consider when caching responses

Handling server errors

2 / 40

What is prefetching in the context of web caching?

Encrypting data transmissions

Proactively fetching resources before they are actually needed

Authenticating users

3 / 40

What is the purpose of a cache eviction policy in web caching?

Determining which cached entries to remove

Encrypting data transmissions

Authenticating users

4 / 40

What is the purpose of a cache miss in web caching?

Encrypting data transmissions

Requiring a request to the origin server for a resource

Handling server errors

5 / 40

What is the benefit of using ETags in web caching?

They control cache expiration

They encrypt data transmissions

They allow for validation of cached resources without transferring the entire content

6 / 40

What is the purpose of server-side caching in web applications?

Controlling access to resources

Storing data at the server to reduce database queries

Authenticating users

7 / 40

What is the purpose of public caching in web caching?

Allowing caches at different levels to store responses

Handling server errors

Encrypting data

8 / 40

Which caching strategy serves stale content when the origin server is unreachable?

Stale-while-revalidate

Private caching

Shared caching

9 / 40

Which caching directive instructs caches not to store a response?

public

private

no-store

10 / 40

What does CDN caching improve in web applications?

Encrypting data transmissions

Content delivery speed

Authenticating users

11 / 40

What is the benefit of using CDN caching in web applications?

Reducing latency by serving content from edge servers

Encrypting data transmissions

Authenticating users

12 / 40

What is the purpose of the Expires HTTP header in web caching?

Defining resource URLs

Specifying the expiration date of a cached resource

Controlling access to resources

13 / 40

Which caching directive indicates that a response can be cached only in a private cache?

public

no-store

private

14 / 40

Which HTTP header is used to store the maximum age of a cached resource?

no-cache

must-revalidate

max-age

15 / 40

What is the benefit of using cache hierarchies in web caching?

Authenticating users

Encrypting data transmissions

Reducing response time by distributing cached resources

16 / 40

Which HTTP header is used to specify the location of a cached resource?

Location

Cache-Control

Expires

17 / 40

What does cache coherence refer to in web caching?

Encrypting data transmissions

Authenticating users

Ensuring consistency between cached copies and the origin server

18 / 40

Which HTTP header is used to control caching behavior in browsers?

Cache-Control

Content-Type

Authorization

19 / 40

What is the role of surrogate caching in web applications?

Caching responses on behalf of the origin server

Authenticating users

Encrypting data transmissions

20 / 40

What does CDN stand for in the context of web caching?

Cache Distribution Network

Content Delivery Network

Central Data Network

21 / 40

Which caching strategy allows intermediate proxies to cache responses based on HTTP headers?

Implicit caching

Conditional caching

Explicit caching

22 / 40

Which caching strategy allows browsers to cache responses for subsequent visits?

Browser caching

Proxy caching

Edge caching

23 / 40

Which caching technique stores copies of resources at the client side?

Proxy caching

Browser caching

Edge caching

24 / 40

What is the role of a cache expiration policy in web caching?

Authenticating users

Determining when cached entries should be invalidated

Encrypting data transmissions

25 / 40

What is the benefit of using reverse proxy caching in web applications?

Authenticating users

Encrypting data transmissions

Offloading traffic from the origin server

26 / 40

What does private caching in web caching refer to?

Encrypting data transmissions

Caching responses for a single user

Authenticating users

27 / 40

Which HTTP status code indicates that a resource has not been modified since it was cached?

200 OK

304 Not Modified

404 Not Found

28 / 40

Which caching strategy allows a cache to serve stale content when refreshing a resource?

must-revalidate

no-store

Stale-while-revalidate

29 / 40

What is web caching used for?

Improving performance by storing frequently accessed resources

Authenticating users

Encrypting data

30 / 40

Which type of caching stores copies of web pages closer to users geographically?

Edge caching

Client-side caching

Proxy caching

31 / 40

Which HTTP method is considered safe and cacheable in web caching?

POST

GET

DELETE

32 / 40

Which HTTP header is used for revalidating cached responses?

If-Modified-Since

If-None-Match

ETag

33 / 40

What does cache busting refer to in web caching?

Forcing the browser to fetch a new copy of a resource

Authenticating users

Encrypting data transmissions

34 / 40

What is the role of a cache hit in web caching?

Encrypting data

Retrieving a cached resource

Controlling access to resources

35 / 40

Which HTTP header is used for storing cache responses in the client-side cache?

Last-Modified

Cache-Control

Expires

36 / 40

Which HTTP header is used to control cache validation in web caching?

Last-Modified

If-None-Match

Cache-Control

37 / 40

Which caching directive indicates that a response can be stored by any cache, even if it is normally non-cacheable?

private

public

no-store

38 / 40

What is the role of Last-Modified HTTP header in web caching?

Indicating the last modification time of a resource

Controlling cache duration

Handling authentication

39 / 40

Which caching directive indicates that a resource must be revalidated before use?

max-age

no-cache

must-revalidate

40 / 40

What is the purpose of client-side caching in web applications?

Storing resources in the user's browser cache

Encrypting data transmissions

Authenticating users

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