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Cisco 642-742 Exam Syllabus Topics:

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

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

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

2. What is the recommended minimum speed at the edge of the cells in an 802.11g network for a good Cisco VoWLAN deployment?

A) 12 Mb/s
B) 54 Mb/s
C) 36 Mb/s
D) 18 Mb/s
E) 11 Mb/s

3. What is the minimum overhead (header plus FCS) added by 802.11 (no encryption, no WMM) between a wireless client and an AP?

A) 28 B
B) 48 B
C) 24 B
D) 35 B
E) 18 B
F) 36 B

4. VoWLAN implementation plans for a current mix of existing Cisco Unified Wireless IP Phones 7920G and 7921G to a final migration of Wireless IP Phones 7925G in a single WLAN. What would be the most appropriate WLC WLAN configuration to end with Wireless IP Phones 7925G?

A) 7920 AP CAC = enabled only; Radio Policy = All; WMM = Allowed
B) 7920 AP CAC = enabled only; Radio Policy = 802.11a only; WMM = Allowed
C) 7920 Client CAC = enabled only; Radio Policy = All; WMM = Disabled
D) 7920 Client CAC = enabled only; Radio Policy = 802.11b/g only; WMM = Disabled
E) 7920 Client CAC = enabled only; Radio Policy = 802.11a only; WMM = Disabled
F) 7920 AP CAC = enabled only; Radio Policy = 802.11b/g only; WMM = Allowed

5. During a post site survey with a wireless phone, 30% of the area shows -69 dBm signal strength. What is the recommended RSSI for voice deployments?

A) -67 dBm
B) -68 dBm
C) -65 dBm
D) -66 dBm

Solutions: