Simple mail transfer protocol (SMTP) utilizes as the transport layer protocol for electronic mail transfer.

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Mr. Dubey • 51.32K Points
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Q.) Simple mail transfer protocol (SMTP) utilizes                    as the transport layer protocol for electronic mail transfer.

(A) tcp

(B) udp

(D) sctp

Correct answer : Option (A) - tcp

Explanation:

 since tcp is a reliable protocol, it’s more efficient to use tcp protocol for e-mail transfer. tcp also provides more security than other transport layer protocols.

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