Welcome back! Here are the answers to Thursday's CCNA and CCNP questions!

CCNA:

On the blank console line shown below, what command is best to prevent OSPF hellos from keeping the ISDN line up?

R2(config)#interface bri0
R2(config-if)#

Answer: The command ip ospf demand-circuit will prevent OSPF hellos from being considered interesting traffic.


CCNP / BSCI:

On an ABR, the full command to configure under the OSPF router process to make Area 781 a totally stub area is ____________.

Answer: area 781 stub no-summary. This command is required only on the ABR, but the other routers in the area must still be configured as stub.


CCNP / BCMSN:

A switch port has just received a dynamic VLAN membership assignment. What other port feature will be enabled as a result?

A. Portfast

B. Uplinkfast

C. Backbonefast

D. Port-based authentication

E. Port security

Answer: A. Our old pal portfast will be enabled by default.


New questions posted later today - and questions for ISCW, ONT, A+, Network+, and Microsoft Vista certifications are in the queue!

To your certification exam success,

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