SSh Interview Questions

[Nimy]

Which is the default port & configuration file for SSH Server ?
Explain SSH port forwarding ?
Will it be possible to login to SSH server without password? How?
How to add welcome or warning massages as soon as a user login to SSH Server?
What is the use of sshpass command in linux ?
How can you check SSH server’s Version ?
Which algorithm is used by SSH for authentication?
What is the difference between ssh and scp?
What is the difference between ssh & Telnet ?
Explain the two SSH protocols?