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Cisco 642-742 Exam Syllabus Topics:

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

Question 1

Which one of these options best describes the ideal WLAN design for wireless VoIP clients?

A. smaller cells with all configurable speeds to ensure that all clients (802.11a/b/g) can associate to the wireless infrastructure
B. smaller cells with higher speeds and CAC-enabled prioritization of WMM clients
C. smaller cells with APs in the inner areas using omnidirectional antennas, and APs on the outer walls using directional antennas facing inward
D. larger cells with higher speeds and WPA2 security enabled to ensure the best possible coverage

Question 2

Enhanced distributed channel access provides contention-free access to the channel for a period. What is the name of this amendment?

A. 802.1e
B. 802.1p
C. WMM
D. 802.1d
E. 802.1q

Question 3

What are two benefits that result from Cisco WLC configuration of DCA for 5-GHz VoWLAN deployments? (Choose two.)

A. Avoid nearby radar
B. Manually remove channels that are not supported by VoWLAN clients
C. Avoid channels that are affected by a microwave oven
D. Avoid 802.11n 40-MHz channels
E. Adjust RRM power thresholds

Question 4

You are getting complaints from Cisco Unified Wireless IP Phone 7925 users that their phones are failing to register with the Cisco Unified Communications Manager Express server and are showing the message "Registering." What is the problem?

A. There is no ephone configuration for each phone in the Cisco Unified CME device.
B. The IP phones are failing to receive a DHCP address from the DHCP server.
C. The DHCP server needs to include the command option 66 ip <ip address> to serve the appropriate load file.
D. The IP phones are failing to receive their firmware files from the TFTP server.

Question 5

What is the main difference between the Cisco Unified Wireless IP Phone 7921G and the Cisco Unified Wireless IP Phone 7925G?

A. The 7925G is suited for a more rugged environment.
B. The 7925G supports 802.11a/b/g, whereas the 7921G supports only 802.11b/g.
C. The 7925G has support for 802.11n, whereas the 7921G does not.
D. 7925G supports WPA2, whereas the 7921G supports only WPA1.

Solutions: