SSH quiz

Test your SSH knowledge with a free interactive quiz — 20 questions with answers and explanations. No signup needed to play.

What is the SSH "known_hosts" file for?

1. What is the SSH "known_hosts" file for?
2. How do you authorize your public key to log into a remote server without a password?
3. What does SCP stand for and do?
4. What is SSH (Secure Shell)?
5. What is the difference between local and remote port forwarding?
6. How do you generate a new SSH key pair?
7. What file typically stores per-host SSH connection shortcuts/settings?
8. What does adding a passphrase to a private key protect against?
9. What is SFTP?
10. What is `sshd`?
11. What is the purpose of the `StrictHostKeyChecking` SSH client setting, and why should it generally not be disabled globally?
12. What is an SSH key pair?

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