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Implementing Cisco unified Wireless Voice Networks (IUWVN) v2.0

Question No: 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?

  1. Wireless client WMM UP classification is translated to a wired DSCP priority.

  2. Wireless client 802.11p classification is translated to a wired DSCP priority.

  3. Wireless client WMM UP classification is translated to a wired 802.1p CoS priority.

  4. Wireless client 802.11p classification is translated to a wired 802.1p CoS priority.

Answer: A

Question No: 2

A small wireless controller-based network is installed and configured inside a corporate building using Cisco 2500 Series controllers and 3500 Series APs using local, monitor, and rogue detector modes. All wireless clients have been working and now require multicast applications. WLC multicast is configured using multicast mode with IP address 239.10.10.10 and other parameters set to default. However, the wireless multicast traffic has limited success and does not work throughout the corporate building. What three actions can help resolve the problems? (Choose three.)

  1. Enable WLC IGMP snooping.

  2. Change WLC from multicast mode to Unicast mode in case of wired multicast infrastructure issues.

  3. Verify router and switch multicast configurations.

  4. Change all APs to just local and rogue detector modes.

  5. Change all APs to local mode and monitor mode.

  6. Change all APs to local mode.

  7. Increase the WLC-to-AP multicast QoS marking.

  8. Verify IP address and port used by the multicast application.

Answer: C,F,H

Question No: 3

A customer has upgraded to 802.11n with ClientLink, set to defaults, to improve video performance on legacy clients. They notice that ClientLink is not kicking in for an 802.11a client with 36 Mb data rate and -55db RSSI. What is the problem?

  1. data rate too high

  2. data rate too low

  3. RSSI too high

  4. RSSI too low

Answer: C

Question No: 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.)

  1. Sufficient SRST license support at each branch location

  2. Support for local voice mail

  3. Branch gateways support MoH

  4. Properly configured QoS over the IP WAN links

  5. Support for single number reach

  6. Support for E.164 dialing

  7. Sufficient IP phone licenses in the Cisco Unified Communications Manager cluster

Answer: A,D,G

Question No: 5

Which three statements are true about load-based Call Admission Control? (Choose three.)

  1. grants a VoWLAN client-initiated call based on the number of active clients associated to the AP

  2. grants a VoWLAN client-initiated call based on channel bandwidth capacity

  3. uses the 802.11i specifications

  4. uses ADDTS action frames

  5. requires a WMM-enabled client

Answer: B,D,E

Question No: 6

A customer is deploying a few remote sites and has decided to use FlexConnect mode for the wireless access points. The customer needs to have seamless roaming for the voice clients at these sites. What two configurations need to be implemented to guarantee roaming? (Choose two)

  1. FlexConnect Groups

  2. CCKM

C. 802.11r

  1. centrally switched SSIDs

  2. OKC/PKC

Answer: A,B

Question No: 7

A customer recently placed 10 WLCs in a mobility group and now sees a large amount of additional traffic to and from the controller. What setting should be changed to reduce the traffic?

  1. Mobility Multicast Messaging

  2. Mobility Unicast Messaging

  3. Mobility Anchor Keep Alive Count

  4. Mobility Anchor Keep Alive Interval

Answer: A

Question No: 8

A customer has requested help in configuring priority for emergency calls. What setting needs to be enabled to allow for wireless phones to make emergency calls no matter the load on the access point?

  1. expedited bandwidth

  2. reserved roaming bandwidth reservation

  3. static CAC reservation

  4. SIP CAC

Answer: A

Question No: 9

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

  1. Configure SIP with static CAC only with SIP call snooping.

  2. Configure SIP with static CAC only without SIP call snooping.

  3. Configure SIP with load-based CAC only with SIP call snooping.

  4. Configure SIP with load-based CAC only without SIP call snooping.

  5. Configure SIP with load-based CAC and TSPEC only with SIP call snooping.

Answer: A

Question No: 10

After debugging a VoWLAN client that is experiencing dropped calls, it has been found that the client is requesting a new DHCP address every time the client roams to a new AP. What should be configured in the WLAN?

  1. Select the DHCP server override option.

  2. Decrease the DHCP allocated lease time to 0.

  3. Deselect the DHCP address assignment required option.

  4. Select the central DHCP processing option.

  5. Increase the DHCP allocated lease time for wireless clients.

  6. Deselect the enable session timeout.

Answer: C

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