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Cisco 642-742 Exam Syllabus Topics:

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

1. An engineer is configuring a new VoWLAN and wants only IEEE 802.11g/n to be supported. Which two data rates should be configured? (Choose two.)

A) 11 Mbps should be mandatory.
B) 12 Mbps should be mandatory.
C) 18 Mbps and higher should be supported.
D) 6 and 9 Mbps should be supported.
E) Lower than 11 Mbps should be disabled.
F) 1, 2, 5.5, and 11 Mbps should be disabled.
G) Lower than 24 Mbps should be supported.

2. Which three WLC actions are required to properly enable queuing with TSPEC for voice traffic? (Choose three.)

A) configure global 802.11b/g or 802.11a, or both, to voice CAC
B) configure WLAN setting to enable WMM
C) configure WLAN Aironet information elements to enabled
D) configure DTIM = 2
E) configure WLAN platinum QoS

3. A support technician is reviewing wireless configurations for a voice network. They notice the off channel scan defer has been set for 4, 5, and 6. What would occur if the technician was to deselect 5 and 6?

A) Wireless clients transmitting at a UP of 5 will cause the access point to cease going off channel to scan.
B) Cameras transmitting with a UP of 4 will cause the access point to go off channel to scan.
C) The access points would go off channel to scan whether there were voice devices transmitting or not.
D) The access points would only go off channel to scan if there were devices transmitting with a UP of 4.

4. Which statement best describes Cisco Centralized Key Management?

A) It allows the wireless infrastructure to cache the credentials to eliminate the need for a full reauthentication when roaming.
B) It allows wireless clients to cache their credentials to prevent any reauthentication to the wireless infrastructure during a roaming event.
C) It allows the wireless client to cache information from surrounding APs to reduce scan time before roaming.
D) It allows controllers to send a directed roam request to a wireless client when a different AP can service the client better.

5. Users are experiencing poor voice quality on a new VoWLAN. Which feature can be used to isolate the issue?

A) U-APSD
B) EDCA
C) TSPEC
D) TSM
E) CAC

Solutions: