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

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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 802.11g VoWLAN deployment?

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

2. When Vocera badges communicate from badge to badge, which voice codec is used?

A) G.711
B) G.723
C) the Vocera proprietary codec
D) G.729B
E) G.729A

3. When a Vocera badge performs a broadcast call in a properly configured VoWLAN using WLC v7.0, which two choices indicate how the QoS is marked? (Choose two.)

A) Upstream marked as DSCP EF.
B) Upstream marked as Best Effort.
C) Upstream marked as ToS CS4.
D) Downstream marked as DSCP EF.
E) Downstream marked as Silver.
F) Downstream marked as Best Effort.

4. A client with the MAC address 00:AB:11:CD:22:EF is experiencing poor voice quality on the VoWLAN. Which three commands would assist in isolating the issue? (Choose three.)

A) debug cac event enable
B) debug client 00:AB:11:CD:22:EF
C) debug call-control event enable
D) show client detail 00:AB:11:CD:22:EF
E) debug capwap payload enable
F) debug mobility pmk enable

5. When setting up a VoWLAN deployment with Nokia E-Series dual-mode phones and Cisco 7925G phones, the engineer notices the Nokia phones work over cellular but fail over WiFi, whereas the Cisco phones work fine. What setting would cause this behavior?

A) CCKM enabled
B) CCKM disabled
C) SSID set to broadcast
D) WPA Enterprise used
E) SSID set to non-broadcast
F) WPA2 Enterprise used

Solutions: