Which protocol uses port 119 for Usenet?

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Multiple Choice

Which protocol uses port 119 for Usenet?

Explanation:
Port numbers map a service to a protocol on a host, and Usenet specifically uses the Network News Transfer Protocol. By default, NNTP listens on port 119, which is why this is the correct match for Usenet traffic. HTTP is for web traffic and uses port 80 (or 443 for HTTPS), Kerberos typically uses port 88 for authentication services, and SSH uses port 22 for secure remote login. So the protocol associated with port 119 for Usenet is Network News Transfer Protocol.

Port numbers map a service to a protocol on a host, and Usenet specifically uses the Network News Transfer Protocol. By default, NNTP listens on port 119, which is why this is the correct match for Usenet traffic. HTTP is for web traffic and uses port 80 (or 443 for HTTPS), Kerberos typically uses port 88 for authentication services, and SSH uses port 22 for secure remote login. So the protocol associated with port 119 for Usenet is Network News Transfer Protocol.

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