COMPUTER NETWORKING

NETWORK SECURITY

FIREWALLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following network services or protocols uses TCP/IP port 22?
A
SSH
B
TFTP
C
NNTP
D
IMAP4
Explanation: 

Detailed explanation-1: -The Secure Shell (SSH) service uses TCP/IP port 22. SSH is a terminal emulation program that provides a secure authenticated connection to a remote system over the network. It is most commonly used with UNIX and Linux systems, but can be used on Windows as well.

Detailed explanation-2: -TFTP (explanation: The trivial file transfer protocol (TFTP) uses TCP/IP port 69. TFTP is a connectionless service for downloading files from a remote system.

Detailed explanation-3: -Telnet uses the TCP port protocol and port 23 to establish a connection with remote computers.

There is 1 question to complete.