多項選擇題Which two statements about the Wireless Location Appliance are true？（）

A.a Wireless Location Appliance acts as a server to one or more Cisco WCSs. It collects， stores， and passes on data from its associated Cisco WLAN controllers
B.before using the Web interface， the initial configuration of the Wireless Location Appliance must be done using the command-line interface （CLI）
C.the Cisco 2000， 2700， 4100， and 4400 are examples of Wireless Location Appliance.
D.the Wireless Location Appliance visually displays the location information of WLAN devices and forwards this information to third-party applications using the Simple Network devices and forwards this information to third-party applications using the Simple Network Management Protocol （SNMP）
E.the Wireless Location Appliance visually tracks up to 15，000 WLAN devices and can store this information for 90 days.


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3.單項選擇題What is the most common cause of network congestion？（）

A.aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switches
B.speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environment
C.flapping Ethernet interfaces caused by misconfigured LAN interfaces
D.flapping serial interfaces caused by misconfigured WAN interfaces
E.speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment

4.多項選擇題Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols？ （）

A.over leased lines， use the multilink ppp command to reduce latency and jitter， and to create Distributed Link Fragmentation and interleaving
B.use the service-policy command to attach a traffic flow to an interface on the router
C.use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses， and to guarantee admission of any flows
D.use the policy-map command to define one or more QoS policies （such as shaping， policing， and so on） to apply to traffic defined by a class map
E.use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value
F.use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified

5.單項選擇題

Refer to the exhibit. The serial link that connects the two offices has a bandwidth of 128 kbps.What could be done to set aside 64 kbps of bandwidth to transport VoIP traffic over the WAN link？（）

A.apply the clock rate 64000 command on both serial interfaces connected to the WAN link
B.apply the bandwidth 64 command on both serial interfaces connected to the WAN link
C.apply the frame-relay voice-bandwidth 64000 command to enable the QoS Call Admission Control feature on the serial link
D.apply the max-conn 64 command on a perial peer basis on both sides of the serial link
E.apply the ip bandwidth-percent eigrp 1 64 command on both sides of the serial link
F.apply the auto-cost reference-bandwidth 64 command on both sides of the serial link