Which of the following use the SSH protocol?
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A. B. C. D. E. F.BF.
Out of the given options, SCP, SFTP, and SSH are the protocols that use the SSH (Secure Shell) protocol.
SCP (Secure Copy Protocol): It is a protocol used for secure file transfer between two hosts, and it relies on SSH for encryption and authentication. SCP is a command-line tool that allows you to copy files securely between hosts, and it uses the same authentication and security mechanisms as SSH.
SFTP (Secure File Transfer Protocol): It is a protocol used for secure file transfer over SSH, and it provides a similar interface to FTP. SFTP is often used as a replacement for FTP, which is not secure because it sends data in clear text.
SSH (Secure Shell): It is a protocol used for secure remote access to a computer or server over a network. SSH provides strong encryption and authentication mechanisms to protect the data that is transmitted between two hosts.
On the other hand, the other protocols listed in the options are as follows:
Telnet (not listed but related to the first option): It is a protocol used for remote access to a computer or server, but it is not secure because it sends data in clear text, which can be intercepted by an attacker.
SNMP (Simple Network Management Protocol): It is a protocol used for managing and monitoring network devices, such as routers, switches, and servers.
FTPS (File Transfer Protocol Secure): It is a protocol used for secure file transfer over SSL/TLS. It is an extension of FTP and provides encryption and authentication mechanisms to protect the data that is transmitted between two hosts.
SSL (Secure Sockets Layer): It is a protocol used for secure communication over a network. SSL provides encryption and authentication mechanisms to protect the data that is transmitted between two hosts, and it is often used in web browsers to establish secure connections between clients and servers.
In conclusion, SCP, SFTP, and SSH use the SSH protocol, while Telnet, SNMP, FTPS, and SSL use different protocols for their respective purposes.