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Cisco 642-742 Exam Syllabus Topics:

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

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

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

2. A customer recently placed 10 WLCs in a mobility group and now sees a large amount of additional traffic to and from the controller. What setting should be changed to reduce the traffic?

A) Mobility Anchor Keep Alive Count
B) Mobility Anchor Keep Alive Interval
C) Mobility Multicast Messaging
D) Mobility Unicast Messaging

3. The AP has been properly configured for a VoWLAN survey. The RF environment contains a noise of -87 to -90 dBm. What would be the target value for the cell edge reading?

A) -73 dBm
B) -70 dBm
C) -62 dBm
D) -60 dBm
E) -55 dBm
F) -67 dBm

4. Which statement describes the benefit of WMM U-APSD over legacy 802.11 power-save mode?

A) Client no longer sends null frame to notify of sleep mode.
B) Client can burst data without ACKs.
C) Client sleep mode is scheduled by AP to reduce jitter.
D) Client can burst data without standard interframe spacing.

5. Refer to the exhibit.

A customer with a high-density deployment has called stating there have been voice quality issues with roaming clients. Given the configuration, what is the problem?

A) Load-Balancing is enabled and sending reason code 17 to roaming voice clients.
B) DTIM should be configured to 2 on both 2.4 and 5ghz to aid in delivery of wireless frames during roaming.
C) Static IP tunneling should be enabled so that the voice clients can be tunneled properly.
D) Band-Select has not been enabled and is allowing the voice client to switch bands when roaming.

Solutions: