Lpic 1 Linux Administrator · Free Practice Question Medium
Question 26
- A Through a secure external authentication service
- B Through SMTP_request packets
- C Through environment variables, including $SSH_AUTH_SOCK
- D Through a controlling service like xinetd or systemd sockets
Reveal correct answer
Correct answer: C
A. The ssh-agent utility does not interface with the ssh service through a secure external authentication service. It primarily manages private keys and provides authentication to the ssh service.
B. The ssh-agent utility does not interface with the ssh service through SMTP_request packets. SMTP is a protocol used for email communication and is not related to the interaction between ssh-agent and ssh service.
C. The ssh-agent utility interfaces with the ssh service through environment variables, including $SSH_AUTH_SOCK. This environment variable points to the Unix domain socket used by the ssh-agent to communicate with the ssh service for authentication purposes.
D. The ssh-agent utility does not interface with the ssh service through a controlling service like xinetd or systemd sockets. While these services may manage network services, the interaction between ssh-agent and ssh service is primarily through environment variables and Unix domain sockets.
Discussion
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