16 Nov Practice Test Question: Replacing Telnet
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Ralph comes across a legacy infrastructure that uses telnet to create an administrative connection between a client and server. Even though this connection takes place over a private network link, Ralph would like to replace telnet with a secure protocol to prevent eavesdropping. What protocol would be the easiest drop-in replacement for telnet?
Correct Answer: A.
The secure shell (SSH) functions in a manner that is functionally equivalent to telnet but adds encryption and other security features. SSL and TLS may be used to encrypt communications but they do not provide the connection features of SSH on their own. The file transfer protocol – secure (FTPS) is used for transferring files and does not allow interactive administrative sessions similar to the ones provided by telnet.