單項(xiàng)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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多項(xiàng)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

多項(xiàng)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

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

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Which two statements about queuing mechanisms are true？ （）

What are three traffic descriptors typically used to categorize traffic into different classes？（）

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

Which two statements about queuing mechanisms are true？（）

What are three traffic descriptors typically used to categorize traffic into different classes？（）