Here are the answers to Sunday's CCNA and CCNP practice questions.

CCNA:

Which of the following technologies is typically used as a backup strategy by both Small Office / Home Office and spoke networks?

A. Frame Relay

B. ATM

C. ISDN

D. PPP

Answer: C. ISDN is a solid backup strategy for SOHOs and spoke (branch) locations.


CCNP / BSCI:

Which two of the following protocols are designed to expedite network cutover to a working router when the primary router goes down?

A. SMTP

B. SNMP

C. HSRP

D. TFTP

E. IRDP

F. DNS

ANSWER: C, E. Both Hot Standby Routing Protocol and ICMP Router Discovery Protocol perform this vital function.

CCNP / BCMSN:

Identify the true statements regarding the term jitter. Choose three.

A. Jitter is a problem primarily with voice and video traffic.

B. Jitter is a problem primarily with data streams.

C. Jitter is caused by delays in the queue.

D. Jitter is a reason to configure QoS.

E. Jitter is a problem, but not serious enough to introduce QoS.

Answer: A, C, E. Jitter is a major issue with voice and video traffic, and it's caused by delays in transmitting that data through the queues. QoS is a major step forward in resolving jitter.

CCNP / BCRAN:

Short answer: What is the bandwidth of a PRI D-Channel?

Answer: 64 KBPS. BRI D-channels are 16 kbps.


See you later today with more Cisco certification practice questions!

To your Cisco certification success,

Chris Bryant
CCIE #12933
www.thebryantadvantage.com