Networking - SSH - multichoice questions

Question 1

In which file does SSH store a user's private RSA key, by default?

• ~/.key.private
• ~/.ssh/rsa
• ~/.ssh/id_rsa
• ~/.sshrc
• None of the above

Question 2

When using SSH public key authentication, which file must exist on the remote machine?

• ~/.ssh/id_dsa.pub
• ~/.ssh/known_hosts
• ~/.ssh/authorized_keys
• A and C
• All of the above

Question 3

[elvis@station]$ ssh ec2-user@69.57.97.126 "echo 'hi' | grep h > /tmp/greet"

On the remote machine, which of the following processes was not executed as a result of this Command?

• echo
• ssh
• grep
• All of the above processes are executed on the remote machine.

Question 4

[elvis@station]$ ssh ec2-user@69.57.97.126 "echo 'hi' | grep h > /tmp/greet"

On which machine was the file /tmp/greet created?

• The local machine
• The remote machine
• Not enough information is provided.

Question 5

[elvis@statio]$ ssh ec2-user@69.57.97.126 mkdir tmp
[elvis@statio]$ scp .bashrc jules@69.57.97.126:tmp .bashrc
100% |*****************************|    124  00:00

Which file on the remote machine contains a copy of the local file ~/.bashrc?

• ~/.bashrc
• ~/tmp/.bashrc
• /tmp/.bashrc
• ~/tmp
• Not enough information is provided.

Question 6

Which file is automatically updated whenever the first connection to a new host is accepted?

• ~/.ssh/id_dsa.pub
• ~/.ssh/known_hosts
• ~/.ssh/authorized_keys
• ~/.ssh/authorized_hosts
• None of the above

Question 7

Which of the following command lines could be used to recursively copy the ~/backups directory to a remote machine's /tmp directory?

• scp backups ec2-user@69.57.97.126:tmp
• scp -r backups ec2-user@69.57.97.126:/tmp
• scp -R /tmp/backups ec2-user@69.57.97.126:
• scp backups ec2-user@69.57.97.126:
• None of the above

Question 8

In order to connect to a remote machine, which of the following information must exist in the remote machine?

• The client OS version
• The client public key
• The client private key
• The client home directory path