Which statement accurately describes Secure Shell (SSH) key functionality?

The correct statement about Secure Shell (SSH) key functionality is that it allows login via a key instead of a password. SSH key-based authentication enhances security by using a pair of cryptographic keys – a public key and a private key. When a user attempts to access a server, their client presents the public key to the server, which then verifies that the corresponding private key is held by the user. This method of authentication eliminates the need to transmit passwords over the network, reducing the risk of interception and unauthorized access.

Using SSH keys provides stronger security than traditional password authentication. If a key is compromised, it can be easily replaced, while passwords are often reused or weaker, increasing susceptibility to attacks.

Other options do not accurately reflect the primary function of SSH keys. For example, SSH does not replace graphical user interfaces for server management; rather, it provides a secure command-line interface for remote access. While SSH can assist in automating and simplifying some administrative tasks, it does not inherently simplify database account creation. Furthermore, SSH does not eliminate the need for server authentication; instead, it enhances server authentication through the use of public/private key pairs.