單項選擇題What type of services are provided by the Cisco IOS gateways in a VoIP network with Cisco CallManager functionality？ （）

A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the networl
B.Cisco IOS gateways provide services such as bandwidth management and accounting
C.Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks
D.Cisco IOS gateways provide zone management for all registered endpoints in the network


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1.多項選擇題Which two statements about queuing mechanisms are true？ （）

A.FIFO queuing is only appropriate for slower serial interfaces
B.weighted fair queuing is the default queuing mechanism used for all but slower than E1 rate interfaces
C.only one queuing mechanism type can be applied to an interface
D.weighted fair queuing does not require the configuration of access lists to classify traffic  
E.flow-based weighted fair queuing provides for queues to be serviced in a round-robin fashion

2.多項選擇題What are three traffic descriptors typically used to categorize traffic into different classes？（）

A.IP precedence
B.media type
C.DSCP
D.outgoing interface
E.incoming interface
F.DLCI

3.多項選擇題Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？（）

A.the SDM QoS wizard will create two real-time traffic classes to handle VoIP， voice signaling， and video packets
B.the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packets
C.the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets
D.the SDM QoS wizard will create two business-critical traffic classes to handle transactional and  network management packets
E.the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets
F.the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets

4.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.