Lotus CLP Certification Exam 190-620

Which of the following protocols is used to transmit e-mail between the two e-mail
servers?

A. Post Office Protocol, version 3 (POP3)
B. Simple Mail Transfer Protocol (SMTP)
C. Internet Control Message Protocol 190-611 (ICMP)
D. Internet Message Access Protocol, version 4 (IMAP4)
Answer: B
Explanation:
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SMTP (Simple Mail Transfer Protocol) is used for 190-612 sending e-mail messages.

Incorrect Answers:
A, D: POP3 and IMAP4 transmit e-mail between the e-mail client and the e-mail server.
C: ICMP (Internet Control Message Protocol) is used for network management and
control.190-620 It provides error testing and reporting for TCP/IP.

References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda
CA, 2005, pp. 78-79, 116, 207.