Networks › MCQ Quiz - Class 8 - Networks › Question #26125
Single Choice Moderate

QSMTP default port is:

ID: #26125 MCQ Quiz - Class 8 - Networks 5 views
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#26125Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - NetworksTopic
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  • A 25 ✔ ✖
  • B 80 ✔ ✖
  • C 21 ✔ ✖
  • D 443 ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

SMTP uses port 25 by default for unencrypted, or 587/465 for encrypted email sending.

Why the other options are incorrect:

  • Option B: Port 80 is HTTP.
  • Option C: Port 21 is FTP.
  • Option D: Port 443 is HTTPS.
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