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

1. A customer is having issues streaming video over wireless in a few high-density areas of their campus. After further investigation, the administrator has singled out the issue pertains to the clients associated to 802.11b/g only access points. The rest of the campus is covered in 802.11n access points. What is a possible reason for the issue with video streaming on the 802.11b/g access points as opposed to the 802.11n access points?

A) Due to the High-Density environment, there was high-utilization of the wireless spectrum. With 802.11n. the access points are able to aggregate the MSDU and MPDU frames into A-MSDU and A-MPDU frames, utilizing less airtime to transfer data.
B) The wireless controller was denying the client access to the video due to multicast-direct supporting the PHY rate of 48000 that the 802.11b/g client could not handle.
C) The clients could not transmit data at the highest mandatory rate of 54 Mbps due to limitations with 802.11b/g. This data-rate is only possible when transmitting at 802.11n speeds.
D) The wireless clients were all transmitting at 802.11b data rates and would have operated properly had they been transmitting and receiving at 802.11g rates.

2. WLC v7.0 is configured for multicast with WLC-to-AP multicast mode, using IP address
239.10.10.10 and IGMP snooping enabled, with all other parameters set to default. What QoS value is given to multicast traffic between a WLC and APs?

A) CS5
B) BE
C) CS6
D) CS1
E) CS4
F) CS2
G) CS3
H) EF

3. An engineer is designing a wireless infrastructure to support secured wireless access for Cisco 7925 series phones. What 802.1X authentication protocol would create the least overhead for authentication, while also securely transporting credentials?

A) EAP-MSCHAPv2
B) PEAP-EAP-TLS
C) PEAP-EAP-MSCHAPv2
D) EAP-FAST
E) EAP-TLS
F) PEAP-EAP-GTC

4. How would an engineer ensure that a wireless client can conduct traffic admission?

A) verify client supports WME for traffic admission
B) verify traffic is admitted by round robin
C) verify interface group is configured for traffic admission
D) verify traffic is admitted as it passes down the OSI layers

5. You are given a new single Cisco 2500 Series Wireless Controller with 8 to 12 APs. Which two statements describe the minimum required multicast configuration? (Choose two.)

A) Enable IGMP Snooping.
B) Enable the WLAN Multicast VLAN feature.
C) Configure the IGMP Query Interval for 20 seconds.
D) Enable WLC to AP Multicast Mode for unicast.
E) Enable WLC to AP Multicast Mode for multicast.
F) Enable Global Multicast Mode.
G) Configure the IGMP Timeout for 60 seconds.

Solutions: