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

1. 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 4, the AP switchport has been configured to trust CoS, and the controller's switchport to trust DSCP.
B) 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.
C) 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.
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.

2. Refer to the exhibit.

Which two statements describe the WLC configuration? (Choose two.)

A) Priority new calls can be expedited.
B) AP will effectively allow 69% of bandwidth for local new calls.
C) AP will effectively allow 75% of bandwidth for local new calls.
D) Priority roaming calls can be expedited.
E) AP will effectively allow 81% of bandwidth for local new calls.

3. Which three statements are true about load-based Call Admission Control? (Choose three.)

A) uses the 802.11i specifications
B) requires a WMM-enabled client
C) grants a VoWLAN client-initiated call based on the number of active clients associated to the AP
D) uses ADDTS action frames
E) grants a VoWLAN client-initiated call based on channel bandwidth capacity

4. Which of these statements best describes Cisco Centralized Key Management?

A) It allows the wireless infrastructure to cache the credentials, thus eliminating the need to conduct a full reauthentication when roaming.
B) By caching their credentials, it helps clients save scanning time when looking for a new AP to join.
C) It enables the controller to send directed roam requests to a client in situations when the controller can better service the client on a different AP than the one to which the client is associated.
D) It allows wireless clients to cache their credentials so that, while they are roaming, they do not need to reauthenticate to the wireless infrastructure.

5. 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) Adjust RRM power thresholds
C) Avoid nearby radar
D) Manually remove channels that are not supported by VoWLAN clients
E) Avoid channels that are affected by a microwave oven

Solutions: