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Cisco 642-742 Exam Syllabus Topics:

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

1. A network engineer is configuring CAC on a WLC. If CAC is configured with 85% of the total radio bandwidth on a 5-GHz radio, how many clients can be accommodated?

A) 15
B) 5
C) 12
D) 22

2. Refer to the exhibit.

Voice-bearer traffic is being sent downstream using a WLAN configured for gold QoS. Which two of these options indicate the inner 802.11e QoS markings and QoS CAPWAP
markings that are used at location 1? (Choose two.)

A) Inner 802.11e: UP 4
B) Outer CAPWAP: DSCP AF31
C) Outer CAPWAP: CoS 4
D) Inner 802.11e: UP 5
E) Outer CAPWAP: DSCP AF41
F) Inner 802.11e: UP 3

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

A) The device must be running at least Cisco Compatible Extensions v4 or higher, for the test and results to be successful.
B) A device that is not running a version of Cisco Compatible Extensions will show only packets that are sent and received.
C) 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.
D) The device must be running at least Cisco Compatible Extensions v2 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 U-APSD on the WLAN to save power
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 Multicast Direct to cut down on the multicast processing

5. Refer to the exhibit.

A controller has been completely configured to support high definition video over wireless. During the testing phase, a packet capture shows the video-stream traffic on the wire as best effort. What needs to be changed in the configuration to support QoS tags properly?

A) add the line mls qos trust cos
B) add the line priority queue in
C) add the line mls qos trust dscp
D) add the line mls qos trust device wlc

Solutions: