Mastering Internet Architecture: Hard Quiz

A rigorous assessment covering networking protocols, cryptographic handshakes, and client‑side defenses for experienced programmers.

web securityservice workersbrowser cachingtlswebsocketscspdnssechttp protocols

Difficulty:HARD

Questions9

CategoryTechnology & Programming

DifficultyHARD

Progress

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Quiz Questions

Answer all questions below and test your knowledge.

1
Which feature of HTTP/2 allows multiple requests to share a single TCP connection without blocking?
Question 1
2
In TLS 1.3, which handshake message is omitted compared to TLS 1.2?
Question 2
3
What primary security property does DNSSEC provide for DNS queries?
Question 3
4
Which CSP directive restricts the sources from which scripts may be loaded?
Question 4
5
During the WebSocket opening handshake, which HTTP header indicates the requested protocol upgrade?
Question 5
6
Which HTTP response header tells the browser that the representation may be cached for 86400 seconds?
Question 6
7
In a service worker registration, which code defines the scope of the worker?
Question 7
8
Which status code signals a permanent URL redirection?
Question 8
9
Which mechanism allows a page to safely request resources from another origin without violating the same‑origin policy?
Question 9