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Question

Which one of the following protocols should never be used on a public network?

a.

SSH

b.

HTTPS

c.

SFTP

d.

Telnet

Answer: (d).Telnet Explanation:Telnet is an insecure protocol that does not make use of encryption. The other protocols mentioned are all considered secure.

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Q. Which one of the following protocols should never be used on a public network?

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