642-874 Sample Questions

QUESTION NO: 1

In a VoWLAN deployment, what is the recommended separation between cells with the same
channel?

A. 19 dBm

B. 67 dBm

C. 10 dBm

D. 86 dBm

E. 5 dbm to 10 dBm

Answer: A

QUESTION NO: 2

What is the recommended radius of a cell for a voice-ready wireless network?

A. 6 dBm

B. 19 dBm

C. 5 dBm

D. -67 dBm

Answer: D

QUESTION NO: 3

Client traffic is being bridged through LAN interfaces on two WLCs. Which roaming option will
keep them on the same IP sub net?

A. Layer 1 intercontroller roaming

B. Layer 2 intercontroller roaming

C. Layer 3 intercontroller roaming

D. intracontroller roaming

Answer: B