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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 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) 60 feet
C) 100 feet
D) 90 feet
E) 80 feet

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 6
B) Outer CAPWAP: CoS 5
C) Outer CAPWAP: DSCP AF41 and CoS 4
D) Inner 802.11e: UP 3
E) Outer CAPWAP: DSCP AF31 and CoS 3
F) Inner 802.11e: UP 5
G) Outer CAPWAP: DSCP 46 and CoS 4
H) Outer CAPWAP: DSCP EF and CoS 5

3. What are two benefits that result from Cisco WLC configuration of DCA for 5-GHz VoWLAN deployments? (Choose two.)

A) Avoid 802.11n 40-MHz channels
B) Avoid nearby radar
C) Avoid channels that are affected by a microwave oven
D) Adjust RRM power thresholds
E) Manually remove channels that are not supported by VoWLAN clients

4. Which two VoWLAN configuration parameters are required to implement a Vocera Communications System on a Cisco WLC v7.0? (Choose two.)

A) Enable WLAN WMM.
B) Enable WLC broadcast for WLANs.
C) Enable WLC multicast for WLANs.
D) Adjust the radio EDCA profile.
E) Disable WLAN WMM.

5. Users are experiencing poor audio quality when calling from their 7925 series VoIP Phones. Call quality is exceptional from wired to wired phones, but not from wired to wireless phones. The wired network has QoS deployed properly and the SSID is configured with Platinum QoS. What should be verified to troubleshoot the issue?

A) The controller is marking the 802.1p tag of 5, the AP switchport has been configured to trust DSCP, and the controller's switchport to trust CoS.
B) The controller is marking the 802.1p tag of 4, the AP switchport has been configured to trust CoS, and the controller's switchport to trust DSCP.
C) The controller is marking the 802.1p tag of 3, the AP switchport has been configured to trust DSCP, and the controller's switchport to trust CoS.
D) The controller is marking the 802.1p tag of 6, the AP switchport has been configured to trust CoS, and the controller's switchport to trust DSCP.

Solutions: