Which of the following protocols could be used to secure communication by offering encryption at a lower OSI layer?

A company’s legacy server requires administration using Telnet. Which of the following protocols
could be used to secure communication by offering encryption at a lower OSI layer? (Select
TWO).

A company’s legacy server requires administration using Telnet. Which of the following protocols
could be used to secure communication by offering encryption at a lower OSI layer? (Select
TWO).

A.
IPv6

B.
SFTP

C.
IPSec

D.
SSH

E.
IPv4



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