A SMTP session may include
zero SMTP transaction
one SMTP transaction
more than one SMTP transaction
all of the mentioned
Answer : D
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1) Simple mail transfer protocol (SMTP) utilizes _________ as the transport layer protocol for electronic mail transfer.
2) A session may include
Zero or more SMTP transactions
Exactly one SMTP transactions
Always more than one SMTP transactions
Number of SMTP transactions cant be determined
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3) SMTP is used to deliver messages to
4) SMTP uses the TCP port
5) Which one of the following protocol is used to receive mail messages?
