單項(xiàng)選擇題

Refer to the exhibit. What is the configuration an example of？（）

A.enabling modular QoS over Frame Relay
B.enabling Real-Time Transport Protocol （RTP） header compression
C.enabling distributed compressed Transmission Control Protocol
D.enabling latency and jitter reduction for Transmission Control traffic
E.enabling TCP header compression

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單項(xiàng)選擇題

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

A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the network
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

單項(xiàng)選擇題

The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？（）

A.the seventh call is routed via the PSTN
B.the call is denied and the original six （6） calls remain
C.the call is completed and the first call is dropped
D.the call is completed， but all calls have quality issues
E.the call is completed but the seventh call has quality issues

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Refer to the exhibit. What is the configuration an example of？（）

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

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