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Q. |
Simple mail transfer protocol (SMTP) utilizes as the transport layer protocol for electronic mail transfer. |
A. | tcp |
B. | udp |
C. | dccp |
D. | sctp |
Answer» 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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