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Cisco 642-742 Exam Syllabus Topics:

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

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

2. An engineer is studying the TSM for a VoWLAN user experiencing issues using a CCXv3 device. What two items will be shown? (Choose two.)

A) uplink packet latency
B) uplink packet loss
C) downlink MOS score
D) downlink packet latency
E) uplink MOS score
F) downlink packet loss

3. In order to place a call, what is the first step that a wireless phone must do?

A) Register with a call agent.
B) Update its firmware with the Call Manager.
C) Authenticate with the web authentication server.
D) Associate with the wireless infrastructure.

4. Clients are experiencing artifacts in multicast video even though the network was recently upgraded to 802.11n APs. What three configuration changes will be most effective to improve performance? (Choose three.)

A) enable Call Admission Control
B) disable Multicast Messaging
C) increase QoS marking on multicast
D) enable 40 MHz wide channels
E) enable VideoStream
F) increase mandatory data rate

5. After implementing 802.11n SGI in a noisy environment increased interference is noted, at what level would the interference be introduced by the change?

A) headers
B) ACKs
C) packets
D) symbols

Solutions: