Cisco 642-742

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

1. Refer to the exhibit.

A customer is looking to deploy local radius authentication on their WLAN controller. After configuration has been completed, the administrator found that computers could authenticate; however, the VoIP phones could not. What is the problem given the output?

A) EAPOL-Key Max Retries should be set to 12 to ensure the wireless phone can authenticate.
B) EAPOL-Key timeout should be set to at least 20,000 Milliseconds to allow the PAC to be processed.
C) The EAP Broadcast Key interval is set to 1 hour however should be 8 hours.
D) The EAP request-timeout is too short for the wireless phone to process the PAC from the WLAN controller.

2. An engineer has installed a new voice WLAN. Which three configurations would the engineer verify for QoS on the controller? (Choose three.)

A) WMM allowed
B) client load balancing
C) client band select
D) DHCP address assignment required
E) IEEE 802.1X and Cisco Centralized Key Management
F) Platinum QoS for the VoWLAN

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

4. Which two options allow a Cisco Unified Wireless IP Phone 7925G to conserve its battery? (Choose two.)

A) S-APSD
B) U-APSD
C) 802.11r
D) PS-Poll
E) 802.11h

5. 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) 56 bytes
C) 64 bytes
D) 16 bytes
E) 28 bytes
F) 48 bytes
G) 24 bytes

Solutions: