N10-005 Question #431: Real Exam Question with Answer & Explanation

The correct answer is D: SSH. SSH (Secure Shell) is the standard protocol for secure, encrypted remote terminal (CLI) access to routers and other network devices. It replaces the older, unencrypted Telnet protocol. SSH encrypts the entire session, including login credentials. SCP (A) uses SSH as its transport

Question

Which of the following protocols would the network administrator use to protect login credentials when accessing a router terminal session?

Options

ASCP
BSNMPv3
CSSL
DSSH

Explanation

SSH (Secure Shell) is the standard protocol for secure, encrypted remote terminal (CLI) access to routers and other network devices. It replaces the older, unencrypted Telnet protocol. SSH encrypts the entire session, including login credentials. SCP (A) uses SSH as its transport but is specifically for secure file transfer, not terminal sessions. SNMPv3 (B) is for network monitoring and management, not terminal access. SSL/TLS (C) secures web traffic (HTTPS) and other application protocols, but SSH is the correct choice specifically for encrypted terminal/router management sessions.

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