Here are the answers to Tuesday's CCNA, A+, Network+, and CCNP practice questions!

CCNA Exam:

What is the net effect of the following configuration?

R2#conf t
R2(config)#int s0.123
R2(config-subif)#ip ospf priority 0

Answer: Configuring an interface with ip ospf priority 0 will ensure this router does not take part in the OSPF DR and BDR elections held on that connecting segment. It's typically used on spoke routers in hub-and-spoke OSPF deployments.

A+ Essentials Exam:

Which of the following is an example of physical network security?

A. Configuring a firewall.

B. Locking the network server cabinets.

C. Requiring authentication for network access.

D. Requiring users to change their passwords every 30 days.

Answer: B. Locking the cabinets is physical security, an often overlooked part of network security.


Network+ Certification:

Short Answer: At what layer of the OSI model does the end user interact with the network?

Answer: End users interact with the network at the Application layer of the OSI model.


CCNP / BSCI Exam:

Short Answer: Put the following protocols in order of their administrative distance, from highest to lowest: ISIS, Internal EIGRP, EIGRP Summary Route, External EIGRP, Internal OSPF, External OSPF, RIPv1, RIPV2, static route using next-hop IP address, static route using local router's exit interface.

Answer: Listing those protocols and route types in order, from highest to lowest:

External EIGRP - 170

RIPv1, RIPv2 - 120 (No difference in default AD for these two versions of RIP)

ISIS - 115

Internal and External OSPF - 110 (No difference in default AD)

Internal EIGRP - 90

EIGRP Summary Route - 5

Static Route using next-hop IP address - 1

Static Route using local router's exit interface - 0


CCNP / BCMSN Exam:

Where is the VTP revision number kept?

A. In RAM.

B. In NVRAM.

C. In Flash.

D. It's burned into the VTP chip.

Answer: B. The VTP revision number is kept in Non-Volatile RAM.


See you later today with new Cisco and CompTIA certification exam training questions - and Vista questions are on the way!

To your success,

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

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