1. What is Cache-Control ? Junior A. the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries B. a response header giving the timestamp a resource last changed, used for validation against a stored copy C. a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged D. the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated Reveal the answer + AI explanation — free account
2. Which term means: "the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries"? Junior A. Conditional request B. Cache-Control C. ETag D. s-maxage Reveal the answer + AI explanation — free account
3. Which statement is correct? Junior A. Cache-Control — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current B. Cache-Control — a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged C. Cache-Control — the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated D. Cache-Control — the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries Reveal the answer + AI explanation — free account
4. What is ETag ? Mid A. the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated B. the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries C. an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current D. a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged Reveal the answer + AI explanation — free account
5. Which term means: "an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current"? Mid A. ETag B. Conditional request C. Last-Modified D. max-age Reveal the answer + AI explanation — free account
6. Which statement is correct? Mid A. ETag — a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged B. ETag — a response header giving the timestamp a resource last changed, used for validation against a stored copy C. ETag — the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries D. ETag — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current Reveal the answer + AI explanation — free account
7. What is Last-Modified ? Mid A. a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged B. a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh C. a response header giving the timestamp a resource last changed, used for validation against a stored copy D. the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated Reveal the answer + AI explanation — free account
8. Which term means: "a response header giving the timestamp a resource last changed, used for validation against a stored copy"? Mid A. Cache-Control B. max-age C. s-maxage D. Last-Modified Reveal the answer + AI explanation — free account
9. Which statement is correct? Mid A. Last-Modified — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current B. Last-Modified — a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh C. Last-Modified — a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged D. Last-Modified — a response header giving the timestamp a resource last changed, used for validation against a stored copy Reveal the answer + AI explanation — free account
10. What is Conditional request ? Mid A. a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged B. a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh C. a response header giving the timestamp a resource last changed, used for validation against a stored copy D. the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries Reveal the answer + AI explanation — free account
11. Which term means: "a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh"? Mid A. Conditional request B. s-maxage C. max-age D. ETag Reveal the answer + AI explanation — free account
12. Which statement is correct? Mid A. Conditional request — a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh B. Conditional request — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current C. Conditional request — the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries D. Conditional request — a response header giving the timestamp a resource last changed, used for validation against a stored copy Reveal the answer + AI explanation — free account
13. What is s-maxage ? Senior A. a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged B. the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries C. a response header giving the timestamp a resource last changed, used for validation against a stored copy D. the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated Reveal the answer + AI explanation — free account
14. Which term means: "a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged"? Senior A. ETag B. s-maxage C. Cache-Control D. Conditional request Reveal the answer + AI explanation — free account
15. Which statement is correct? Senior A. s-maxage — a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged B. s-maxage — the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries C. s-maxage — a response header giving the timestamp a resource last changed, used for validation against a stored copy D. s-maxage — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current Reveal the answer + AI explanation — free account
16. What is max-age ? Mid A. an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current B. a fetch that includes a validator so the server returns 304 Not Modified when the client's copy is still fresh C. the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated D. the HTTP header that directs how, where, and for how long a response may be stored by clients and intermediaries Reveal the answer + AI explanation — free account
17. Which term means: "the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated"? Mid A. max-age B. Last-Modified C. ETag D. s-maxage Reveal the answer + AI explanation — free account
18. Which statement is correct? Mid A. max-age — a response header giving the timestamp a resource last changed, used for validation against a stored copy B. max-age — a directive that overrides max-age specifically for shared intermediaries like CDNs while leaving browser lifetime unchanged C. max-age — an opaque identifier a server assigns to a resource version so clients can ask whether their copy is still current D. max-age — the directive specifying, in seconds, how long a response is considered fresh before it must be revalidated Reveal the answer + AI explanation — free account