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單項選擇題Which switch would STP choose to become the root bridge in the selection process?（）

A.32768：11-22-33-44-55-66
B.32768：22-33-44-55-66-77
C.32769：11-22-33-44-55-65
D.32769：22-33-44-55-66-78

1.單項選擇題A default Frame Relay WAN is classified as what type of physical network？（）

A.point-to-point
B.broadcast multi-access
C.nonbroadcast multi-access
D.nonbroadcast multipoint.broadcast point-to-multipoint

2.單項選擇題Which VTP mode is capable of creating only local VLANs and does not synchronize with other switches in the VTP domain?（）

A.client
B.dynamic
C.server
D.static
E.transparent

3.單項選擇題The enable secret command is used to secure access to which CLI mode？（）

A.user EXEC mode
B.global configuration mode
C.privileged EXEC mode
D.auxiliary setup mode

4.單項選擇題Where does routing occur within the DoD TCP/IP reference model?（）

A.application
B.internet
C.network
D.transport

5.多項選擇題Which two states are the port states when RSTP has converged?（）

A.blocking
B.learning
C.disabled
D.forwarding
E.listening