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

1. A customer reports that wireless clients are not able to receive multicast data from known working multicast servers on the wired network. The client is connecting at the highest mandatory wireless rate of 24 Mbps and the wireless controller is configured for multicastunicast mode. What three actions should the engineer take next to troubleshoot the issue? (Choose three.)

A) verify that the L3 interfaces are configured for pim sparse-dense-mode on the VLAN servicing the wireless access points as well as the wireless controller's management VLAN
B) change the wireless controller from Multicast-Unicast mode to Multicast-Multicast mode and assign a multicast address in the 239.X.X.X/8 subnet
C) verify that Global Multicast mode has been enabled
D) verify Multicast Listener Discovery (MLD) v1 snooping has been enabled to keep track of and deliver IPv4 multicast flows
E) verify that IGMP snooping is disabled on the wireless controller since the access points are handling IGMP messages from the clients
F) make sure the highest mandatory rate is set to 54 Mbps so that the multicast traffic has sufficient bandwidth

2. Wireless phones at a customer's site often experience a fast busy signal when trying to initiate calls. What two actions address this issue? (Choose two.)

A) increase CAC Reserved Bandwidth
B) decrease cell size
C) decrease CAC Max Bandwidth
D) increase CAC Max Bandwidth
E) increase cell size

3. When setting up a VoWLAN deployment with Nokia E-Series dual-mode phones and Cisco 7925G phones, the engineer notices the Nokia phones work over cellular but fail over WiFi, whereas the Cisco phones work fine. What setting would cause this behavior?

A) SSID set to non-broadcast
B) WPA2 Enterprise used
C) CCKM enabled
D) WPA Enterprise used
E) SSID set to broadcast
F) CCKM disabled

4. You are deploying a combination of Cisco Unified Wireless IP Phones 7921G and 7925G at your branch offices in a centralized call processing environment that requires high availability at branch locations. Which three components need to be verified before the wireless IP phones can be deployed? (Choose three.)

A) Support for single number reach
B) Properly configured QoS over the IP WAN links
C) Support for local voice mail
D) Support for E.164 dialing
E) Sufficient IP phone licenses in the Cisco Unified Communications Manager cluster
F) Sufficient SRST license support at each branch location
G) Branch gateways support MoH

5. 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?

A) show ip interface counts
B) show ip mcache
C) show ip route
D) show ip mroute
E) show ip igmp

Solutions: