Tuesday, November 13, 2007

Here are the answers to your free Cisco certification exam training questions for Saturday, November 13!

CCENT Certification:

From this list, identify the devices that run at Layer 2 of the OSI model: router, switch, wireless access point, hub, repeater.

Answers: Switches and wireless access points run at the Data Link layer, as do bridges (not included in the list).

CCNA Certification Exam:

How often will OSPF send hello packets out a Serial interface?

A. Every 10 seconds.

B. Every 30 seconds.

C. Every 45 seconds.

D. Every 60 seconds.

E. OSPF does not send Hellos via Serial interfaces.

Answer: OSPF's default time for sending hellos out Serial interfaces is 30 seconds, as seen in this excerpt of show ip ospf interface.

R1#show ip ospf interface serial0
Serial0 is up, line protocol is up
Internet Address, Area 0
Process ID 1, Router ID, Network Type NON_BROADCAST, Cost: 64
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID), Interface address
No backup designated router on this network
Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5

CCNP Certification / BSCI Exam:

Regarding policy routing, why would you create a set statement to send packets to the interface null0?

A. This sends the packets to the routing engine to be routed normally while ignoring the policy.

B. This allows the packets to be transmitted via Queue Zero.

C. This sends the packets to the virtual interface dynamically created with policy routing.

D. This causes matching packets to be dropped.

Answer: D. Packets sent to the null interface are dropped by the router.

CCNP Certification / BCMSN Exam:

In a typical Enterprise Edge block, what switch layers are present?

A. Access

B. Distribution

C. Core

Answers: A, B. Along with the devices needed to get users out to the Internet and WANs, both Access and Distribution switches are found here.

CCNP Certification / ISCW Exam:

Arrange the following in order of fastest to slowest:

A. Distributed CEF switching

B. CEF switching

C. Process switching

D. Fast switching

Answer: A, B, D, C.

CCNP Certification / ONT Exam:

Arrange the following terms in order of IP Precedence value, highest to lowest.

A. Internet

B. Critical

C. Flash

D. Flash-override

E. Routine

F. Immediate

G. Priority

H. Network

Answer: Instead of giving you the letters, here's the order from 7 to zero:

7 - Network

6 - Internet

5 - Critical

4 - Flash-override

3 - Flash

2 - Immediate

1 - Priority

0 - Routine

Today's questions are in the next blog post down!

To your success,

Chris Bryant
CCIE #12933

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