Friday, October 12, 2007

Hey, it's actually cool here today! Whatever your weather, thanks for stopping by, and here are the answers to the Cisco certification training questions for Thursday, October 11!

CCENT Certification:

If you see the following in the output of show interface serial0, what is most likely the issue?

interface is up, line protocol is down

A. The cable is loose.

B. The interface is shut.

C. There is a clocking issue.

D. There is no IP address configured on the interface.

Answer: That output means the interface is physically fine, but there's a logical issue. Of the four solutions presented, the only one that could result in this output is C, the clocking issue.

Don't forget - it's only 10 days until the release of my Ultimate CCENT Study Package! Reserve your copy today and get FREE CCNA training in November!



CCNA Certification:

On the blank console line shown below, what command should be used to prevent OSPF hellos from keeping the ISDN line up?

R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#interface bri0
R2(config-if)#


Answer: ip ospf demand-circuit will allow the OSPF adjacency over the BRI link to remain intact while not allowing the OSPF hello packets to keep the line up.


CCNP Certification / BSCI Exam:

By default, how does an OSPF routing table indicate routes that were learned by the OSPF domain via redistribution?

Answer: By default, those routes are marked "E2".


CCNP Certification / BCMSN Exam:

A switch has two paths to the root bridge. One is direct, the other goes through another switch. You want to lessen the delay that will occur if the current root port goes down. What Cisco feature can help?

Answer: Uplinkfast can help. When the root port goes down, the currently blocked port will be placed info forwarding mode almost immediately.



CCNP Certification / ISCW Exam:

Users who telnet successfully into your router should be placed directly into privileged exec mode. What command will accomplish this?

Answer: Use the command privilege level 15 under the VTY lines.




CCNP Certification / ONT Exam:

You're working with a serial interface set to T1 speed. By default, what queueing scheme is running on that interface?

Answer: Weighted Fair Queueing (WFQ) runs on interfaces running at less than 2.048 MBPS speed, which is E1.


I'll be back later today with a new set of questions, and there will be quite a few free CCENT and CCNA tutorials posted over the weekend as the countdown to The Ultimate CCENT Study Package release on October 22 continues! Reserve your copy now! (And if you're waiting for the 802 CCNA exam, this deal is custom-made for you!)

To your success,

Chris Bryant
CCIE #12933
http://www.thebryantadvantage.com/

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