Hard Digital Communication Quiz
Challenge your knowledge of today's messaging and networking concepts.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
In the TLS 1.3 handshake, which message is sent first by the client?
- 2
Which OAuth 2.0 grant type is best suited for server‑side web applications?
- 3
Which protocol provides end‑to‑end encryption for real‑time chat without a central server storing keys?
- 4
What is the maximum payload size for a single WebSocket frame according to RFC 6455?
- 5
Which HTTP header primarily controls caching behavior of responses?
- 6
In email security, what does DKIM stand for?
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