Exploring SSH

What does SSH stand for?

• System Shell

• Safe Shell

• Secure Socket

• Secure Shell

What is the primary purpose of SSH?

• To provide a graphical user interface for file management.

• To monitor network traffic in real-time.

• To securely access and manage network devices and servers.

• To encrypt email communications.

How do you initiate an SSH connection using PuTTY?

• Enter the server's address and click 'Connect'.

• Use the command line to initiate the SSH connection.

• Use PuTTY to connect to a server via SSH by entering the server's address and clicking 'Open'.

• Select 'SSH' from the dropdown menu before entering the address.

What is the default port number for SSH?

• 22

• 21

• 80

• 23

What command is used to update packages on an Ubuntu server?

• apt-get update && apt-get upgrade

• sudo apt update && sudo apt upgrade

• sudo apt install

• apt update && apt upgrade

How can you check the status of a service in Ubuntu?

• Check the service status in the GUI settings.

• Use the command 'systemctl status '.

• Run 'status ' in the terminal.

• Use the command 'service status'.

What is the command to create a new user in Ubuntu?

• sudo createuser

• sudo adduser

• useradd -m

• adduser --new

What file contains the list of authorized SSH keys?

• ~/.ssh/authorized_keys

• ~/.ssh/config

• /usr/local/etc/ssh/authorized_keys

• /etc/ssh/keys

How do you exit an SSH session in PuTTY?

• Click the 'X' button on the window.

• Type 'exit' or 'logout' and press Enter.

• Use the command 'disconnect' and press Enter.

• Type 'close' and press Enter.

What is the significance of the .ssh directory in a user's home folder?

• The .ssh directory is where application settings are saved.

• The .ssh directory is used for storing user documents and files.

• The .ssh directory contains system logs and error reports.

• The .ssh directory is significant for storing SSH keys and configuration for secure remote access.