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

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

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

2. An engineer finishes configuring a voice over wireless deployment. However, during the
testing phase, the 7925 series phones are not able to complete calls and display Network Busy. CAC has been configured for the wireless system. What action should the engineer take next to troubleshoot the issue?

A) ensure the lowest data rate is 12Mbps and set to Mandatory, and verify there is enough allocated bandwidth to support voice calls
B) check that the lowest data rate is 5.5Mbps to support TSPEC, and verify that the SSID is set to Platinum
C) modify the SIP CAC Access Control List on the controller to permit voice traffic for 7925 phones
D) turn off traffic stream metrics

3. When calculating bandwidth usage for an application, what two values represent the minimum and maximum 802.11 overhead per frame? (Choose two.)

A) 60 bytes
B) 48 bytes
C) 24 bytes
D) 16 bytes
E) 64 bytes
F) 28 bytes
G) 56 bytes

4. The customer has deployed C7260 phones with clients connected to them. What switch feature could be enabled to distinguish IP voice traffic from client data traffic?

A) Weighted Queuing
B) QBSS
C) QoS routing
D) WME
E) Voice VLAN

5. 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 v2 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) The device must be running at least Cisco Compatible Extensions v4 or higher, for the test and results to be successful.
D) 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.

Solutions: