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Cisco 642-742 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

1. A single Layer 2 multicast address can map to how many IPv4 multicast addresses?

A) 28
B) 8
C) 64
D) 16
E) 1
F) 32

2. Enhanced distributed channel access provides contention-free access to the channel for a period. What is the name of this amendment?

A) WMM
B) 802.1q
C) 802.1e
D) 802.1d
E) 802.1p

3. What are the results that you can expect when performing a Cisco WLC v7.0 link test on a wireless IP phone?

A) A device that is not running a version of Cisco Compatible Extensions will show packets
that are sent, packets that are received, local signal strength, and SNR.
B) The device must be running at least Cisco Compatible Extensions v2 or higher, for the test and results to be successful.
C) A device that is not running a version of Cisco Compatible Extensions will show only packets that are sent and received.
D) The device must be running at least Cisco Compatible Extensions v4 or higher, for the test and results to be successful.

4. An engineer notices that the batteries on a Cisco 792X series wireless phone are draining quite a bit even while not placing calls. What should be changed on the SSID to fix this?

A) enable Multicast Direct to cut down on the multicast processing
B) set DTIM to 2 on the operational band of the voice clients
C) set P2P to forward down-stream so that clients are not interfering with each other
D) enable U-APSD on the WLAN to save power

5. A network engineer is deploying wireless voice with a 20% overlap at -67dBm. After testing, the cell edge is determined to be 50 feet from the AP. How far away should the next AP be placed?

A) 70 feet
B) 90 feet
C) 100 feet
D) 80 feet
E) 60 feet

Solutions: