Multiple choice

Which port does TELNET use by default?

  1. 20

  2. 110

  3. 23

  4. 53
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

TELNET is a network protocol that uses port 23 by default for remote terminal connections. It allows users to log into remote computers and execute commands as if they were directly connected to the machine.

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