CCNP Practice Exam For ISCW Study:

MultiProtocol Label Switching (Exam #2)

Vital Reading And Watching For All Cisco Certification Candidates:

The July 2010 CCNP Changes (And How To Beat Them!)

For those of you working on the July 31, 2010 deadline for the ISCW exam, here's another practice exam on MPLS to help sharpen your skills for the big day!

There are plenty of additional ISCW practice exams on our CCNP Practice Exam page!

Enjoy the questions!

Chris Bryant

CCIE #12999

"The Computer Certification Bulldog"

chris@thebryantadvantage.com

Question 1:

What's a common term for "label imposition"?

A. swap

B. shove

C. pop

D. push

Question 2:

Which of the following are found on the Control Plane?

A. LFIB

B. FIB

C. LDP

D. IP Routing Table

 

 

Question 3:

When you run the mpls ip command on an interface, which of these have you also enabled?

A. TDP

B. LDP

C. Both of the above

D. Neither A nor B

Question 4:

You're running MPLS VPN with Traffic Engineering. It's recommended that you change the MTU size of any involved Ethernet interface to what?

A. 1512

B. 1500

C. 1508

D. 1504

 

Question 5:

If an unlabeled packet is forwarded according to the FIB contents, what happens if there is no entry in the FIB for the destination address?

A. The packet is dropped

B. An FIB Query is sent

C. The packet is null-labeled

D. The packet is given a default label.

 

Question 6:

Which of the following must be enabled or created before MPLS can be configured?

A. CEF Switching

B. A static default route for unlabeled packets with no FIB entry

C. Cisco Discovery Protocol

D. Proxy ARP

E. Inverse ARP

 

Question 7:

Earlier in this practice exam, I mentioned LDP and TDP. On what port numbers do each of those run?

Answers at the bottom of the page!

 

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Answers:

1. "D". Label imposition is typically called a "push". The process of removing it, the label disposition, is the "pop".

Push on, pop off, Daniel-San!

 

2. "C,D". Routing and label exchange protocols run on the Control Plane, and the IP routing table is kept there as well.

The LFIB and FIB are found on the Data Plane.

 

3. "B". Running the command mpls ip on an interface enables LDP on that interface.

 

4. "A". Set the MTU to 1512 with the mpls mtu 1512 command.

 

5. "A". If there's no entry in the FIB for the destination prefix of an unlabeled packet, that packet is dropped.

 

6. "A". Enable CEF Switching before enabling MPLS.

 

7. TDP uses TCP port 711, LDP uses UDP port 646.