Question

Which of the following directive of Cache Control Header of HTTP response indicates that resource is cachable by only client and server?

(a) Public

(b) Private

(c) Nocache/nostore

(d) Maxage

This question was addressed to me in an online quiz.

My question is taken from Web Caching topic in section Networking of Computer Network

Answer 1

Correct answer is (b) Private

To elaborate: Private directive indicates that resource is cachable by only client and server; no intermediary can cache the resource. But if we use the public directive, it indicates that the resource may be cachable by any intermediary component.