When the sender and the receiver of an email are on different systems, we need o
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When the sender and the receiver of an email are on different systems, we need only _________
One MTA
Two UAs
Two UAs and one pair of MTAs
Two UAs and two pairs of MTAs
Answer : D
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1) NVT Stands for
Network Virtual Transmission
Network Virtual Test
Network Virtual Terminal
Network Virtual Tell
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2) Simple mail transfer protocol (SMTP) utilizes _________ as the transport layer protocol for electronic mail transfer.
3) Internet mail places each object in
Separate messages for each object
One message
Varies with number of objects
None of the mentioned
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4) 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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5) At beginning of Internet era, messages sent by electronic mail were short and consisted of
