Hard Digital Communication Quiz

Challenge your knowledge of today's messaging and networking concepts.

social medianetwork securityencryptiondigital communicationonline interactiondata privacycommunication standardsmessaging appsAPI designprotocols
Difficulty:HARD

Quiz Details

Questions6
CategoryCommunication
DifficultyHARD
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Quiz Questions

Answer all questions below and test your knowledge.

  1. 1

    In the TLS 1.3 handshake, which message is sent first by the client?

    Question 1
  2. 2

    Which OAuth 2.0 grant type is best suited for server‑side web applications?

    Question 2
  3. 3

    Which protocol provides end‑to‑end encryption for real‑time chat without a central server storing keys?

    Question 3
  4. 4

    What is the maximum payload size for a single WebSocket frame according to RFC 6455?

    Question 4
  5. 5

    Which HTTP header primarily controls caching behavior of responses?

    Question 5
  6. 6

    In email security, what does DKIM stand for?

    Question 6

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