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Cisco 642-742 Exam Syllabus Topics:

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 IGMP snooping is disabled on the wireless controller since the access points are handling IGMP messages from the clients
B) verify Multicast Listener Discovery (MLD) v1 snooping has been enabled to keep track of and deliver IPv4 multicast flows
C) 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
D) make sure the highest mandatory rate is set to 54 Mbps so that the multicast traffic has sufficient bandwidth
E) verify that Global Multicast mode has been enabled
F) 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

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

3. Which statement is correct for the LWAPP/CAPWAP AP upstream encapsulated frame for a WMM-associated client frame that is centrally switched running v5.2?

A) Wireless client 802.11p classification is translated to a wired DSCP priority.
B) Wireless client 802.11p classification is translated to a wired 802.1p CoS priority.
C) Wireless client WMM UP classification is translated to a wired 802.1p CoS priority.
D) Wireless client WMM UP classification is translated to a wired DSCP priority.

4. Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)

A) 25 dB SNR
B) TSM
C) DHCP
D) -67 dBm cell edge
E) MOS

5. A network engineer wants the DSCP marking to align with the 802.11e access category video. What will this marking be?

A) AF31
B) 5
C) 4
D) 34

Solutions: