Test your knowledge of routing table advertisements, BGP updates, port security, and other vital Cisco certification exam topics with these complimentary training questions!
CCNA Certification and CCENT Certification:

Identify the true statements.

A. Full routing tables are exchanged when distance vector protocols are used.

B. When distance vector protocols are in use, only changes to the network are advertised.

C. Full routing tables are exchanged when link state protocols are used.

D. When link state protocols are in use, only changes to the network are advertised.

Answers: A, D. One drawback of distance vector protocols such as RIP is the advertisement of an entire routing table even when a single change has been detected. Advertising only the change is much more efficient.


CCNP Certification / BSCI Exam:

At what point(s) do BGP peers exchange full updates?

A. Every 30 seconds.

B. Every 90 minutes.

C. Immediately after the adjacency is formed.

D. Upon a change in the network topology.

Answer: C. After that point, only changes themselves are advertised.


CCNP Certification / BCMSN Exam:

You want to apply port security to a switch port. No other configuration has been added. The switch is a 2950. What do you first have to do?

A. Make the port an access port.

B. Nothing.

C. Make the port trunk unconditionally.

D. Enable dot1x on both the port and the host.

Answer: A. The port will be running in dynamic desirable mode, and it must be made an access port before configuring port security. Otherwise you'll see the following error:

SW1(config)#int fast 0/5
SW1(config-if)#switchport port-security
Command rejected: Fa0/5 is not an access port.


CCNP Certification / ISCW Exam:

Which of the following possible points of network vulnerability are enabled by default?

A. NTP

B. TCP / UDP Small Servers

C. BOOTP Server

D. CDP
Answers: C, D. You can turn BOOTP server off with the no ip bootp server command, and you can disable CDP either globally or on a per-interface basis.


CCNP Certification / ONT Exam

Short answer: The term "RSVP" is associated with what QoS model?

Answer: The Resource Reservation Protocol (RSVP) is used by Integrated Services (IntServ).


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