單項選擇題

Which statement is true about the distributed call control in a VoIP network？（）

A.the VoIP endpoints have the intelligence to set up and control calls
B.Call setup and control functionality is centralized in one call agent or cluster
C.Call setup and control resides in call agents that are distributed throughout the network
D.Each VoIP device has separate call control， voice packetization， and transport mechanisms

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單項選擇題

What is the purpose of the NBAR protocol discovery？（）

A.to build a Packet Description Language Module （PDLM） file to be used in protocol matching
B.to discover applications and build class maps for data classification
C.to look into the TCP or UDP payload and classify packets based on the content
D.to build a database of all application data that passes through the router and queue the data accordingly

單項選擇題

Acme Company has several offices around the country. The company has deployed a VoIP network with Cisco Unified CallManager in a multisite centralized configuration but the is a requirement to place a call agent at some of the remote sites. Which IOS gateway feature should be deployed at the remote site to enable local call control？（）

A.Gatekeeper multizone
B.Call Admission Control （CAC）
C.Automatic Alternate Routing （AAR）
D.Survivable Remote Site Telephony （SRST）
E.Cisco Unified CallManager Express （CME）

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Which statement is true about the distributed call control in a VoIP network？（）

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What is the purpose of the NBAR protocol discovery？（）

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What is the purpose of the NBAR protocol discovery？（）