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

1. Refer to the exhibit.

An engineer has performed a packet capture on a wireless voice user who is experiencing connectivity problems. Which problem does the exhibit display?

A) no audio
B) one-way audio
C) dropped call
D) choppy audio
E) delays in voice conversation

2. IGMP snooping has been enabled on a Cisco WLC v7.0, along with any other configurations that are required for wireless multicast. Which statement describes an IGMP leave message to a router when IGMP snooping is enabled?

A) The message is sourced from the Cisco WLC dynamic interface.
B) The message is sourced from the wireless client.
C) The message is sourced from the Cisco WLC management interface.
D) No message is sent, and the membership is timed out.
E) The message is sourced from the Cisco WLC virtual interface.

3. A customer has deployed an N+N redundant wireless infrastructure. In this deployment, the access points have been salt and peppered between controllers. What configuration would be necessary to cut down on the use of mobility tunnels for voice clients?

A) mobility anchor
B) re-anchor roamed voice clients
C) KTS based CAC
D) media session snooping

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

5. Which two statements are correct if IGMP snooping is enabled on a Cisco WLC v7.0? (Choose two.)

A) The IGMP packets from the wireless clients are received at the WLC and are used to update the router via a Cisco Group Management Protocol update from the Cisco WLC.
B) The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
C) The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
D) The IGMP packets from the wireless clients are received at the Cisco WLC, which generates a query for the client.
E) The IGMP packets from the wireless clients are forwarded to the router without modifications.

Solutions: