单项选择题
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
相关考题
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多项选择题
Whichtwostatementsaboutqueuingmechanismsaretrue？（）
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 -
多项选择题
Whatarethreetrafficdescriptorstypicallyusedtocategorizetrafficintodifferentclasses？（）
A.IP precedence
B.media type
C.DSCP
D.outgoing interface
E.incoming interface
F.DLCI -
多项选择题
WhichtwostatementsabouttheQoSpolicygenerationphaseoftheCiscoSDMQoSwizardaretrue？（）
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
