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GIAC

GCIA · Question #257

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

The correct answer is C. 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 23
  • BPort 21
  • CPort 25
  • DPort 20

How the community answered

(45 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    82% (37)
  • D
    11% (5)

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