11.
Which protocol does DHCP use at the Transport layer?

12.
Which command is used to determine if an IP access list is enabled on a particular interface?

13.
Where is a hub specified in the OSI model?

14.
What does the passive command provide to dynamic routing protocols?

15.
Which protocol is used to send a destination network unknown message back to originating hosts?

16.
How often are BPDUs sent from a layer 2 device?

17.
How many broadcast domains are created when you segment a network with a 12-port switch?

18.
What does the command routerA (config) #line cons 0 allow you to perform next?

19.
Which router command allows you to view the entire contents of all access lists?

20.
Which class of IP address has the most host addresses available by default?