CompTIA Exam Questions

which of the following uses TCP port 22?

By default, which of the following uses TCP port 22? (Select THREE).

A.
FTPS

B.
STELNET

C.
TLS

D.
SCP

E.
SSL

F.
HTTPS

G.
SSH

H.
SFTP

Explanation:
G: Secure Shell (SSH) is a cryptographic network protocol for securing data communication. It
establishes a secure channel over an insecure network in a client-server architecture, connecting
an SSH client application with an SSH server. Common applications include remote command-line
login, remote command execution, but any network service can be secured with SSH. SSH uses
port 22.
D: SCP stands for Secure Copy. SCP is used to securely copy files over a network. SCP uses
SSH to secure the connection and therefore uses port 22.
H: SFTP stands for stands for Secure File Transfer Protocol and is used for transferring files using
FTP over a secure network connection. SFTP uses SSH to secure the connection and therefore
uses port 22.