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Cisco 642-742 Exam Syllabus Topics:

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

1. 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) 7925G supports WPA2, whereas the 7921G supports only WPA1.
D) The 7925G has support for 802.11n, whereas the 7921G does not.

2. What is the best practice for configuring data rates for an 802.11g VoWLAN deployment?

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

3. Which two configurations can resolve one-way audio in WLANs? (Choose two.)

A) TPC on AP
B) DTPC
C) Platinum QoS in the WLAN
D) admission control
E) maximum transmit power

4. Which two VoWLAN configuration parameters are required to implement a Vocera Communications System on a Cisco WLC v7.0? (Choose two.)

A) Adjust the radio EDCA profile.
B) Enable WLAN WMM.
C) Enable WLC multicast for WLANs.
D) Enable WLC broadcast for WLANs.
E) Disable WLAN WMM.

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

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

Solutions: