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GIAC

GCIA · Question #226

Which of the following ports is used by e-mail clients to send request to connect to the server?

The correct answer is D. Port 25. See the full explanation below for the reasoning.

Question

Which of the following ports is used by e-mail clients to send request to connect to the server?

Options

  • APort 21
  • BPort 20
  • CPort 23
  • DPort 25

How the community answered

(51 responses)
  • A
    6% (3)
  • B
    10% (5)
  • C
    2% (1)
  • D
    82% (42)

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