Friday, May 02, 2008

Welcome back! Here are the answers to the Cisco certification exam training questions posted here on Thursday, May 1!

CCENT Certification:

Identify the OSI model layer where each of the following can be found:

TCP, UDP, MAC address, IP address, Telnet, OUI, Physical address

Answers: TCP and UDP are found at the Transport layer. IP addresses, also known as network addresses, are found at the Network layer. Physical addresses are MAC addresses, found at the Data Link Layer. The OUI is the first half of the MAC address, so that's also found at the Data Link Layer.

Finally, Telnet runs at the Application layer of the OSI model.

CCNA Certification:

Which of the following values must two routers running EIGRP agree upon to become neighbors?

A. The AS number.

B. The process number.

C. The metric weights.

D. The version number.

E. The DUAL version.

Answers: A, C. Routers must agree on the AS number and the metric weights in order to become EIGRP neighbors.

CCNP Certification / BSCI Exam:

You see an ISIS route marked as "L2" in a routing table. What do you know to be true about this route?

A. The route was learned via redistribution.

B. The route is a static route.

C. The route is a default route.

D. The route's destination is in another area.

E. The route's destination is in the local area.

Answer: D. L2 routing is inter-area routing, so the route must be to a destination in another area.

CCNP Certification / BCMSN Exam:

You've decided to introduce Backbonefast to your network. On what switches should this service be enabled?

A. All switches in the network.

B. Access-layer switches.

C. Distribution-layer switches.

D. Core-layer switches.

Answer: A. Unlike Uplinkfast, which should be configured only on Access-layer switches, Backbonefast should be enabled on all switches in the network.

CCNP Certification / ISCW Exam:

Short answer: Name three authentication methods that a Cisco IOS Firewall can use.

Answer: Cisco IOS Firewalls can use TACACS+ and RADIUS servers for authentication, but don't forget the good ol' local username/password database!

CCNP Certification / ONT Exam:

"End-to-end delay" is the sum of which of the following delay types?

A. processing delay

B. queuing delay

C. propagation delay

D. serialization delay

Answer: A, B, C, D. End-to-end delay is the sum of those four delay types.

New questions posted later today, along with my latest CCNP tutorial for the ISCW exam!

To your success,

Chris Bryant
CCIE #12933

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