The sender SMTP establishes a TCP connection with the destination SMTP and then waits for the server to send a ____ Service ready message.. A. 420 B. 320 C. 220 D. 120

The sender SMTP establishes a TCP connection with the destination SMTP and then waits for
the server to send a ____ Service ready message..
A. 420
B. 320
C. 220
D. 120
by

1 Answer

Answer :

C. 220
by

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