Here are the answers to yesterday's Cisco practice questions!

CCNA:

Which of the following fields do TCP and UDP headers have in common? Choose all that apply.

A. Source IP address

B. Destination IP address

C. Source MAC address

D. Destination MAC address

E. Source Port

F. Destination Port

G. Urgent Pointer

H. Checksum

Answer: E, F, H.


CCNP / BSCI:

Which of the following is true regarding the expression of IPv6 addresses?

A. There is no limit on zero compression usage.

B. There is no limit on leading zero compression usage.

C. There is a limit on zero compression usage.

D. There is a limit on leading zero compression usage.

Answers: B, C. Zero compression can be used only once in an IPv6 address expression, but leading zero compression can be used as many times as needed.

CCNP / BCMSN:

What protocol does a switch use to inform an IP Phone of CoS information?

A. UDP

B. TCP

C. CDP

D. IP

E. IPX

F. OSPF

Answer: C. The switch will use CDP for this communication, so CDP must be enabled on the port leading to the IP Phone.


To your Cisco success,

Chris Bryant
CCIE #12933
www.thebryantadvantage.com

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