Saturday, August 09, 2008

It's Saturday, August 8, and here are the answers to yesterday's Cisco practice exam questions!

Coming later this weekend - a new CCNA certification exam over on the main site, along with a CCNP BSCI exam and a new CCNA Security tutorial. Watch the blog over the weekend for links!

Check the blog posts from yesterday and today for more free practice exams and tutorials!

CCNA Certification And CCENT Certification:

It's a classic question, but you gotta know these by heart. What are the three RFC 1918 private address ranges? Include the masks in your answer.


Class A: /8

Class B: /12 (watch that one, it's not /16)

Class C: /16 (watch that one also, it's not /24)

CCNA Security Certification / CCNP ISCW Exam:

How can you configure SDM to preview the commands before delivering them to the router, and also give you a confirmation prompt when you leave SDM?

Answer: I personally check Preferences in SDM every time I use it, and I recommend you do the same. Before proceeding to the Configuration section, go to the upper-left corner of the initial SDM window and select Preferences, as shown here:

Then you can edit these three prefs to your heart's delight! (The following illustration was trimmed to fit Blogger.)

CCNP Certification / BSCI Exam:

On what OSPF router type(s) can you use the area range command?

Answer: ABRs only, as verified by IOS Help.

R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router ospf 1
R1(config-router)#area 1 ?
authentication Enable authentication
default-cost Set the summary default-cost of a NSSA/stub area
nssa Specify a NSSA area
range Summarize routes matching address/mask (border routers only)
stub Specify a stub area
virtual-link Define a virtual link and its parameters

R1(config-router)#area 1 range ?
A.B.C.D IP address to match

R1(config-router)#area 1 range

CCNP Certification / BCMSN Exam:

What is the default root path cost of a 100 MB port on a Cisco 2950 switch?

Answer: 19, as verified by show spanning-tree.

SW1#show spanning-tree vlan 1

Spanning tree enabled protocol ieee
Root ID Priority 32769
Address 000f.90e1.c240
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 000f.90e1.c240
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 15

Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- ------- -- -
Fa0/11 Desg FWD 19 128.11 P2p
Fa0/12 Desg FWD 19 128.12 P2p

CCNP / ONT Exam:

In the following line, a service policy is being applied - but to what?

R1(config-cp)#service-policy input NTP_POLICE

Answer: The config-cp prompt indicates that we're applying the service policy directly to the Control Plane, so this must be a CoPP configuration.

More questions here on the blog later today, and on the main site as well. See you later today!

To your success,

Chris Bryant
CCIE #12933

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