FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
IMAP3 is on port
A
25
B
110
C
220
D
143
Explanation: 

Detailed explanation-1: -Side note: UDP port 220 uses the Datagram Protocol, a communications protocol for the Internet network layer, transport layer, and session layer. This protocol when used over PORT 220 makes possible the transmission of a datagram message from one computer to an application running in another computer.

Detailed explanation-2: -Email protocols An IMAP server typically listens on well-known port 143, while IMAP over SSL/TLS (IMAPS) uses 993.

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