Cisco 642-742 Exam : 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:

Question 1

When designing the coverage area for high call capacity, what two actions should you take with data rates and channels? (Choose two.)

A. Use 2.4-GHz channels when possible.
B. Avoid channels with high AP co-channel interference.
C. Use 5-GHz channels when possible.
D. Use channels with high AP co-channel interference to avoid channel roaming.
E. Set the 2.4-GHz data rate of 5.5 Mb/s to required.

Question 2

You have recently added Cisco Unified Wireless IP Phones 7921G and 7925G to your branch office. The new wireless and wired IP phones are experiencing poor call quality when receiving calls across the IP WAN from the remote HQ. What is the most likely issue?

A. The Cisco Unified Communications Manager gatekeeper-controlled CAC has been set too low, resulting in poor call quality.
B. The Cisco Unified Communications Manager bandwidth for the IP WAN link is not properly configured and is allowing more calls than the link can accommodate.
C. The Cisco Unified Communications Manager bandwidth settings have not been increased to support the new wireless IP phones.
D. The Cisco Unified Communications Manager bandwidth is set too low, resulting in poor call quality.

Question 3

Refer to the exhibit.

What two items of multicast information can be interpreted from the WLC display? (Choose two.)

A. IGMP snooping is disabled.
B. WLC-to-AP multicast mode is configured for multicast.
C. IGMP snooping is enabled.
D. WLC-to-AP multicast mode is configured for Unicast.
E. VideoStream is allowed for the wireless client.
F. VideoStream is not allowed for the wireless client.

Question 4

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

Question 5

Refer to the exhibit.

What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)

A. 802.11a
B. SIFS
C. APSD
D. 802.11r
E. WMM
F. 802.11e

Solutions: