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

1. What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?

A) Configure a mandatory data rate of 54 Mb/s. Disable data rates below 36 Mb/s and configure all other data rates as supported.
B) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
C) Configure mandatory data rates of 9 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
D) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.

2. You have recently enabled multicast on your WLAN. When users join the multicast sessions, you see the traffic utilization on all the APs that are controlled by the Cisco WLC v7.0 increase, which includes those APs where there are no multicast clients.
Which configuration parameter needs to be verified to prevent APs with no subscribed multicast clients from receiving traffic?

A) Switches between the Cisco WLC and APs are not configured for IGMP snooping.
B) The Cisco WLC is not configured for IGMP snooping.
C) The router interface that services the multicast needs to be configured for the sparse-dense multicast mode of operation.
D) APs are not configured for IGMP snooping.
E) This is normal operation and cannot be changed.

3. Refer to the exhibit.

An engineer notices VoWLAN calls getting dropped and uses Spectrum Expert to analyze the RF utilization. Based on the Spectrum Expert capture, what two options describe the interferer and how to mitigate it? (Choose two.)

A) microwave oven interference
B) Disable DFS
C) DECT 6.0 Cordless phone interference
D) Disable RRM
E) Disable DCA
F) Disable UNII-2 channels
G) Radar interference
H) Bluetooth interference

4. What is the best practice for configuring data rates for an 802.11b VoWLAN deployment?

A) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
B) Configure a mandatory data rate of 11 Mb/s. Disable data rates below 11 Mb/s and all other data rates as supported.
C) Configure mandatory data rates of 11 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
D) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.

5. A network engineer is configuring CAC on a WLC. If CAC is configured with 85% of the total radio bandwidth on a 5-GHz radio, how many clients can be accommodated?

A) 22
B) 5
C) 15
D) 12

Solutions: