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Cisco 642-742 Exam Syllabus Topics:

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

Question 1

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

Question 2

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

Question 3

What is the best practice for setting the WLC v7.0 use of WLAN QoS settings to support SIP phones on a VoWLAN?

A. Configure SIP with static CAC only with SIP call snooping.
B. Configure SIP with static CAC only without SIP call snooping.
C. Configure SIP with load-based CAC and TSPEC only with SIP call snooping.
D. Configure SIP with load-based CAC only without SIP call snooping.
E. Configure SIP with load-based CAC only with SIP call snooping.

Question 4

A single Layer 2 multicast address can map to how many IPv4 multicast addresses?

A. 32
B. 16
C. 28
D. 8
E. 1
F. 64

Question 5

Which two configurations can resolve one-way audio in WLANs? (Choose two.)

A. TPC on AP
B. Platinum QoS in the WLAN
C. admission control
D. DTPC
E. maximum transmit power

Solutions: