单项选择题

Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？（）

A.call agent
B.IP phone
C.multipoint control unit
D.gatekeeper

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单项选择题

A.control plane policing
B.data plane policing
C.network-based application recognition （NBAR）
D.service plane policing
E.management plane policing

单项选择题

A.256 kb/S
B.512 kb/s
C.1 Mb/s
D.10 Mb/S
E.100 Mb/S
F.110.768 Mb/S

Which device is normally used to translate telephone numbers or names to IP addresses for call routing in an H.323 network？ （）