CCNP SWITCH Practice Exam:

Multilayer Switching And HSRP Questions (And Answers!)

By Chris Bryant, CCIE #12933

Multilayer switches are everywhere in today's networks, and you can expect questions on these switches to show up on your BCMSN exam!

To help you prepare for success on exam day and to move one step closer to your CCNP, here are 10 practice exam questions on L3 switching, HSRP, and other router redundancy protocols and situations.

Answers are at the bottom of the page, and for plenty of additional CCNP SWITCH practice exams, tutorials, and videos, just click that link for our CCNP SWITCH Exam Resource Center!

The Only CCNP SWITCH Exam DVD From "The Computer Certification Bulldog" -- Chris Bryant, CCIE #12933.

1. What are the two main components of Cisco Express Forwarding?

2. You're working on a Cisco multilayer switch set to factory defaults. You see the following message when you go to verify CEF. What do you need to do to resolve this issue?

SW2#show ip cef
%IPv4 CEF not running

3. Arrange the following four switching methods in order of speed, fastest to slowest.

A. Fast Switching

B. CEF

C. Process Switching

D. Distributed CEF

4. Which of the following router redundancy protocols uses Router Advertisements packets and does not use the concept of a virtual router to provide redundancy?

A. HSRP v3

B. IRDP

C. SLB

D. GLBP

5. You've decided to use the protocol that is the correct answer to the previous question. What commands are needed on the interface of a router to enable this protocol?

6. R2 has been configured for HSRP:

R2(config)#interface ethernet0
R2(config-if)#standby 5 ip 172.12.23.10

As it turns out, R2 is the Active router for this deployment. Given its MAC address of aa-bb-cc-11-22-33, what is the MAC address of the virtual router?

7. Put the following HSRP states in order, from the beginning of the process to the end.

A. Listen

B. Learn

C. Active

D. Disabled

E. Init

F. Speak

G. Standby

8. Identify the true statements regarding VRRP.

A. Defined by RFC 2338

B. VRRP Advertisements are multicast to 224.0.0.18

C. The preempt option that does have to be hardcoded in HSRP does not have to be explicitly configured

D. The HSRP Active router serves the same purpose as the VRRP Master router

9. What command would set an HSRP virtual router's MAC address to 11-22-33-44-55-66?

10. What command resulted in the following output?

R1# ?
FastEthernet0/0 - Group 1
  State is Active
    2 state changes, last state change 01:08:58
  Virtual IP address is 172.12.23.10
  Active virtual MAC address is 0000.0c07.ac01
    Local virtual MAC address is 0000.0c07.ac01 (v1 default)
  Hello time 3 sec, hold time 10 sec

Answers right after this brief, important message!

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Here are the answers!

1. CEF has two major components - the Forwarding Information Base and the Adjacency Table.

2. You'll need to enable IP routing. Here, I've done just that and then run the show ip cef command again.

SW2(config)#ip routing

SW2#show ip cef
Prefix               Next Hop             Interface
0.0.0.0/32           receive
224.0.0.0/4          drop
224.0.0.0/24         receive
255.255.255.255/32   receive

3. From fastest to slowest: Distributed CEF, CEF, Fast Switching, Process Switching.

4. (B). The ICMP Router Discovery Protocol does not use virtual routers.

5. Here's how to enable IRDP on a Cisco router interface:

MLS(config)# interface serial0

MLS(config-if)# ip irdp

6. The MAC address 00-00-0c-07-ac-XX is the HSRP virtual MAC address for the Active router, with "XX" representing the HSRP group number in hex. The standby command mentioned group 5, which is 05 in hex, giving us the final MAC address 00-00-0c-07-ac-05.

7. The HSRP stages, in order: Disabled, Init, Learn, Listen, Speak, Standby, Active.

8. (A, B, C, D). All four statements accurately describe VRRP.

9. Assuming an HSRP group number of 5, the command is standby 5 mac-address 11-22-33-44-55-66.

10. That output is the partial output of your first step in HSRP troubleshooting - show standby.

For plenty of additional CCNP SWITCH practice exams, tutorials, and videos, just click that link for our CCNP SWITCH Exam Resource Center!

The Only CCNP SWITCH Exam DVD From "The Computer Certification Bulldog" -- Chris Bryant, CCIE #12933.

To your success,

Chris Bryant

CCIE #12933

chris@thebryantadvantage.com