Cisco 642-742 : Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

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

1. The customer has deployed C7260 phones with clients connected to them. What switch feature could be enabled to distinguish IP voice traffic from client data traffic?

A) Weighted Queuing
B) QoS routing
C) WME
D) Voice VLAN
E) QBSS

2. A wired packet that is marked for QoS priority CS4 arrives on VLAN-4 at Cisco WLC v7.0, with a destination of a WLAN SSID-4. The Cisco WLC is configured for the wired and wireless QoS level of Silver. The infrastructure routers and switches have incorrect QoS configurations. They have mismarked the CAPWAP outer header to a QoS priority EF.
Which statement is true about how the packet is sent from the AP to the final WMM wireless client?

A) The AP sends the packet with an 802.11 priority tag of 0 (Best Effort).
B) The AP sends the packet with an 802.11 priority tag of 3 (Silver).
C) The AP sends the packet with an 802.11 priority tag of 6 (Platinum).
D) The AP sends the packet with an 802.11 priority tag of 5 (Gold).

3. When implementing video teleconferencing over a wireless network, which three attributes should be considered when cell planning? (Choose three.)

A) number of users on the network
B) jitter
C) packet loss
D) latency
E) client association
F) throughput

4. A customer requests that wireless infrastructure is able to support video over wireless for streaming corporate informational videos for new-hire employees. What two minimum requirements should be met when laying out the guidelines to support video streaming? (Choose two.)

A) the loss rate should not exceed 5%
B) loss rate should not exceed 1%
C) acceptable delay for video should not exceed 9 to 10 seconds
D) acceptable delay for video should not exceed 4 to 5 seconds
E) acceptable delay for video should not exceed 150ms
F) no loss should occur

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

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