Cisco 642-742 Actual Free Exam Questions & Community Discussion
What three minimal configurations are required for a correctly scaled multicast configuration using WLC v7.0? (Choose three.)
Correct Answer: D,E,F
Vote an answer
Which mechanism detects if VoWLAN clients are experiencing poor signal-to-noise ratio values and causes the power of APs to increase as needed in order to rectify signal-tonoise issues?
Correct Answer: A
Vote an answer
A corporation has a Cisco Unified Wireless Network that has been deployed for voice coverage. The wireless data rates have been tuned to mandatory rates of 18 Mbps and 36 Mbps. Some wireless clients have been experiencing drops streaming multicast video while moving throughout the building. What is the cause of the drop in video?
Correct Answer: C
Vote an answer
Which two Cisco components are required to extend an existing VoWLAN to dual-mode wireless phones? (Choose two.)
Correct Answer: A,E
Vote an answer
Which two options allow a Cisco Unified Wireless IP Phone 7925G to conserve its battery? (Choose two.)
Correct Answer: A,C
Vote an answer
Refer to the exhibit.
Voice signaling traffic is being sent upstream using a WLAN configured for bronze QoS. Assume that Layer 3 switches between the controller and the AP use the default and recommended CoS-to-DSCP and DSCP-to-CoS maps. What CAPWAP QoS markings are used in the header at location 1?
Voice signaling traffic is being sent upstream using a WLAN configured for bronze QoS. Assume that Layer 3 switches between the controller and the AP use the default and recommended CoS-to-DSCP and DSCP-to-CoS maps. What CAPWAP QoS markings are used in the header at location 1?
Correct Answer: G
Vote an answer
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?
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?
Correct Answer: A
Vote an answer
A customer has deployed an N+N redundant wireless infrastructure. In this deployment, the access points have been salt and peppered between controllers. What configuration would be necessary to cut down on the use of mobility tunnels for voice clients?
Correct Answer: B
Vote an answer
The AP has been properly configured for a VoWLAN survey. The RF environment contains a noise of -87 to -90 dBm. What would be the target value for the cell edge reading?
Correct Answer: B
Vote an answer
When implementing video teleconferencing over a wireless network, which three attributes should be considered when cell planning? (Choose three.)
Correct Answer: C,D,E
Vote an answer
When Vocera badges communicate from badge to badge, which voice codec is used?
Correct Answer: A
Vote an answer
Users are experiencing poor audio quality when calling from their 7925 series VoIP Phones. Call quality is exceptional from wired to wired phones, but not from wired to wireless phones. The wired network has QoS deployed properly and the SSID is configured with Platinum QoS. What should be verified to troubleshoot the issue?
Correct Answer: D
Vote an answer
A network engineer is having wireless multicast fail when it hits the wired network. What command will show the source of multicast groups for troubleshooting?
Correct Answer: D
Vote an answer
Users are experiencing poor voice quality on a new VoWLAN. Which feature can be used to isolate the issue?
Correct Answer: D
Vote an answer
0
0
0
10