Selecting a per-host SSH client setting | LinuC Level 1 102 Exam original practice question

1.10.3Basic

When connecting to dev.example.test, automatically use login user trainee in the SSH client configuration.

Which configuration is appropriate?

Hint 1: Focus on the key relationship

Identify who must decrypt the data, then distinguish confidentiality, authentication, and the direction of each key operation.

Hint 2: Key terms

Review the short definitions of SSH keys, forwarding directions, encryption, and signatures involved.

ssh_config: The SSH client configuration file for host-specific defaults.
Host block: A section of ssh_config whose settings apply to matching destinations.
User: The ssh_config keyword that sets the remote login name.
HostName: The ssh_config keyword that sets the actual destination host or address.
Match block: A conditional section that applies SSH client settings when criteria match.

Detailed explanation

Incorrect

Match dev.example.test
  Login trainee

Incorrect. Server and Account are not the relevant OpenSSH client keywords.

Incorrect

Server dev.example.test
  Account trainee

Correct. The Host block's User sets the login name.

Correct

Host dev.example.test
  User trainee

Incorrect. The standard keyword is User, not Login.

Incorrect

HostName trainee
  User dev.example.test

Incorrect. It swaps hostname and user semantics.

An example you can run in a temporary verification environment.

printf '%s\n' 'Host dev.example.test' '  User trainee'

Host dev.example.test
  User trainee

Foundation review

A server identity key used by SSH clients to detect a changed endpoint.

A key pair used to authenticate a user to an SSH server.

An SSH tunnel that carries traffic between a local, remote, or dynamic endpoint.

Question IDKL-102-1154

EnvironmentOpenSSH client設定の構文確認

Last technical review2026-08-20

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