UGC NET CSE | August 2016 | Part 2 | Question: 30

Question

Which of the following protocols is used by email server to maintain a central repository that can be accessed from any machine ?

• A. $POP3$
• B. $IMAP$
• C. $SMTP$ 
• D. $DMSP$

Answer 1

IMAP
The basic idea behind IMAP is for the email server to maintain a central repository that can be accessed from any machine.

Good Read : http://www.cs.cornell.edu/courses/cs519/2003sp/homework/email/email.html

Answer 2

C. SMTP.

User agent can fetch messages from mail server or repository with IMAP but here question is which protocol is used to maintain central repository . so communication will be between mail server and repository. and that can be done with SMTP.