Which two pieces of information does the Cisco WLC v5.2 client monitor feature provide about a VoWLAN client?（）A、RSSI of the client at the access pointB、WMM stateC、current MOS valueD、current RF channelE、current transmit data rate

第1题：

Which two statements about the Cisco Aironet Desktop Utility （ADU） are true？ （Choose two.）（）  

• A、 The Aironet Desktop Utility （ADU） can be used to establish the association between the client adapter  and the access point， manage authentication to the wireless network， and enable data encryption.
• B、 The Aironet Desktop Utility （ADU） and the Microsoft Wireless Configuration Manager can be used at the same time to configure the wireless client adapter.
• C、 The Aironet Desktop Utility （ADU） can support only one wireless client adapter installed and used at a  time.
• D、 The Aironet Desktop Utility （ADU） profile manager feature can create and manage only one profile for the wireless client adapter.
• E、 When the user selects a different profile in the Aironet Desktop Utility （ADU）， the settings for the wireless client adapter are changed only after a reboot.

第2题：

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

• A、grants a VoWLAN client-initiated call based on the number of active clients associated to the accesspoint
• B、grants a VoWLAN client-initiated call based on channel bandwidth capacity
• C、uses the 802.11i specification
• D、uses 802.11 action frames
• E、requires a WMM-enabled client

第3题：

Which statement correctly describes a wireless client Layer 2 roam from AP1 to AP2 while joined to a multicast stream using Cisco WLC running v5.2?（）

• A、Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from  Cisco WLC after AP1 issues an IGMP query.
• B、Client issues an IGMP join after association with AP2, allowing AP2 to request a multicast stream from  Cisco WLC independent of AP1 multicast member status.
• C、Client resumes multicast after association with AP2,  because multicast information is sent in mobility  exchanges and AP2 is already a member of the multicast group,  provided that another client has  already joined that multicast.
• D、Client resumes multicast after association with AP2,  because multicast information is sent in mobility  exchanges and AP2 is already a member of the multicast group,  regardless if any other clients have  already joined that multicast.

第4题：

What is the WMM user priority of the packets going downstream to the client when the client does not support TSPEC but the Cisco WLC has ACM enabled and WLAN priority is set to Platinum?（）

• A、background
• B、best effort
• C、voice
• D、video

第5题：

Which two statements are correct regarding multicast implementation using a WLAN controller (v5.2) and AP?（）

• A、Multicast traffic is sent out on Cisco APs at the highest mandatory data rate.
• B、Multicast traffic is sent out on Cisco APs at the highest supported data rate.
• C、On Cisco APs， multicast traffic and beacons are sent out at the same data rates to maintain a common  cell size for normal data as well as multicast data.
• D、If there is more than one mandatory data rate， multicast traffic will be sent at the highest mandatory rate  and beacons will be sent at the lowest mandatory rate.
• E、On Cisco APs， multicast traffic will be sent out at the highest data rate that a client can maintain with the  AP.

第6题：

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

第7题：

Under which three conditions does a client initiate roaming between wireless cells in the Company  WLAN？ （）

• A、 The access point has broadcast too many SSIDs.
• B、 The wireless client has missed too many beacons from the access point.
• C、 The maximum data retry count， initiated by the wireless client， is exceeded.
• D、 The wireless client has reduced the data rate.
• E、 The access point has requested client reauthentication.
• F、 The wireless client has missed too many IAPP （Inter Access Point Protocol） updates.

第8题：

An 802.1X client cannot authenticate to an autonomous access point configured for multiple VLANs. The native VLAN does not have an SSID configured. Which one of the following links being down would prevent the clients from authenticating？（）

• A、between the RADIUS and the access point
• B、between the client’s VLAN and the WLSE
• C、between the native VLAN and the WLSE
• D、between the client’s VLAN and the RADIUS

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第13题：

Which of the following accurately represents the functionality of a lightweight access point configured to operate in sniffer AP mode？（）

• A、client traffic allowed， data captured on all channels
• B、client traffic allowed， data captured on a single channel
• C、no client traffic allowed， data captured on a single channel
• D、no client traffic allowed， data captured on all channels

第14题：

Which value is NOT supported by Cisco Spectrum Expert， when checking for RF coverage？（）

• A、Access point received-signal strength level
• B、Spectrum utilization
• C、Client data rate
• D、In-band radio frequency interference

第15题：

Which two of these statements best describe the benefits of Cisco’s wireless IDS functionality？ （Choose two.）  （）

• A、 AirDefense for wireless IDS is required by autonomous APs.
• B、 2.40Hz CK management can monitor both 802.11 and non-802.11 CK interference.
• C、 APs only monitor the RF channels that are servicing the clients.
• D、 Cisco or CCX compatible client cards can extend the CK IDS service for autonomous APs.
• E、 Autonomous APs must be dedicated IDS sensors while lightweight APs can combine client traffic and RF monitoring.

第16题：

After the site installation is complete， you should verify the mobility of the VoWLAN device whilewalking the site on an active phone call. Which Cisco WLC or Cisco WCS command is mostbeneficial in determining roaming efficiency？（）

• A、show {802.11a 802.11b} 2roam statistics 
• B、show client roam-history 
• C、show client tsm 802.11a/b/g  
• D、show client detail 
• E、show client ap-roam-history 

第17题：

An LWAPP encapsulated packet is being sent from the Cisco WLC v5.2 to the AP for a wireless WMM client. Can the LWAPP frame be altered to change the resulting final WMM queue for transmission on an 802.11 client?（）

• A、Yes，by modifying the LWAPP frame header DSCP value in transit.
• B、Yes，by modifying the LWAPP frame header 802.1p value in transit.
• C、No，the WMM queue classification parameter is transported inside the LWAPP tunnel.
• D、No，the WMM queue classification parameter is determined at the AP based on the original client IP  header DSCP value.

第18题：

How does a controller-based access point configured to operate in sniffer mode behave？（）

• A、allows client traffic， captures data on all channels
• B、allows client traffic， captures data on a single channel
• C、allows no client traffic， captures data on all channels
• D、allows no client traffic， captures data on a single channel

第19题：

If the VoWLAN client is a Vocera badge, which Cisco WLC parameter needs to be changed from the default value?（）

• A、DTIM
• B、Ethernet multicast mode
• C、peer-to-peer block mode
• D、RF group mode
• E、DTPC

第20题：

Which of the following commands provides similar information about the current configuration ofactive local Ethernet adapters? (Select TWO)（）

• A、traceroute
• B、ipconfig
• C、ifconfig
• D、route
• E、hostname

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