多項選擇題

What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）

A.codec
B.link speed
C.Layer 2 encapsulation
D.packet overhead （IP/UDP/RTP）
E.link delay
F.total number of simultaneous calls that are allowed

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單項選擇題

Which statement describes the distributed call control model in VoIP networks？（）

A.The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardown
B.The gateway voice-capable device has a local call routing table configured through a routing protocol.
C.The gateway voice-capable device relies on a call agent to support call control.
D.The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.

多項選擇題

Which two pairings match the application with the correct Cos value？（）

A.CoS 0 = Best-Effort Data
B.CoS 1 = Best-Effort Data
C.CoS 3 = High Priority
D.CoS 4 = High Priority Data
E.CoS 5 = Voice Bearer
F.CoS 7 = Voice Bearer

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What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）

你可能感興趣的試題

Which statement describes the distributed call control model in VoIP networks？（）

Which two pairings match the application with the correct Cos value？（）

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What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）

Which two pairings match the application with the correct Cos value？（）