Chapter 2 - Basic End Device/Switch Configuration

Question 1

What Methods are There for Accessing the Command Line Interface (CLI)?

Answer 1

• Secure Shell (SSH): a secure, remote in-band management to a virtual interface (uses encryption)
• Telnet: an insecure equivalent, can be used for initial device setup (uses plaintext)
• Console: a physical management port providing out-of-band access via a computer terminal emulation program

Question 2

What Configuration Modes are There?

Answer 2

• User EXEC: automatically in this mode
• Privileged EXEC: accessed by entering ‘enable’
• Global Config: accessed by entering ‘config t’
• Specific Config: could be for an interface so ‘interface [port/ip address]’

Question 3

What are the IOS Hotkeys?

Answer 3

• Tab: completes command
• Ctrl-R: re-displays a line
• Ctrl-Z: exits config mode, back to prov. EXEC mode
• Down/Up: scroll through former commands
• Ctrl-Shift-6: interrupt an IOS process
• Ctrl-C: aborts current command and exits config mode

Question 4

How is Access Limited on a Device?

Answer 4

1. Enable Password: limits access to the privileged EXEC mode
2. Enable Secret: encrypted and limits access to the privileged EXEC mode
3. Console Password: limits device access using the console connection
4. VTY Password: limits device remote access using Telnet/SSH