Cisco 642-742 : Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

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Cisco 642-742 Exam Syllabus Topics:

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

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

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

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

3. Refer to the exhibit.

A customer is experiencing poor call performance on their 7920 wireless phones. The engineer troubleshooting the issue has opened up Cisco Spectrum Expert to try and find the problems. Given this output, what is causing the interference?

A) Bluetooth device
B) jammer
C) cordless phone
D) RFID
E) Xbox wireless controller
F) microwave

4. What three minimal configurations are required for a correctly scaled multicast configuration using WLC v7.0? (Choose three.)

A) Enable global multicast mode
B) Enable WLAN multicast VLAN feature
C) Enable AP multicast mode for Unicast
D) Enable AP multicast mode for multicast
E) Configure IGMP timeout for 60 seconds
F) Enable IGMP snooping
G) Configure IGMP query interval for 20 seconds

5. A support engineer received a ticket involving issues with voice over wireless. The customer has asked the engineer to verify their wireless deployment for voice utilizing their WCS server. What is a capability of the WCS voice readiness tool?

A) Traffic Stream metric reporting
B) call location tracking
C) non voice SSID contention graphs
D) voice statistics via call re-play

Solutions: