Question Bank - Computer Networks

Here's the question bank on all the computer networks topics.

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___________ command is used by the receiving server in order to verify whether the given username is valid or not.

A.
Verify
B.
Data
C.
Size
D.
EXPN

Solution:

The correct answer is option 4, i.e. Verify.CommandFunctionVRFY (Verify)used by the receiving server in order to verify whether the given username is valid or notDATAwith this command the email content begins to be transferredSIZEinforms the remote server about the estimated size (in terms of bytes) of the attached emailEXPNasks for a confirmation about the identification of a mailing list

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