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多項選擇題

For SONET ring switching， the 50ms switch time： Select all that apply？（）

A.Plncludes the detection time
B.Applies to rings smaller than 1200km
C.Applies to rings smaller than 1000km
D.Includes up to 16 nodes

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單項選擇題

In MPLS traffic engineering， which one of the following protocols is used for Path Setup？（）

A.BGP
B.OSPF
C.ISIS
D.RSVP

單項選擇題

What does FRTP stand for？（）

A.Frame Relay Top Pseudowire
B.Frame Relay Traffic Pseudowire
C.Frame Relay Traffic Protocol
D.Frame Relay Traffic Policing