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單項(xiàng)選擇題

Which command can be used to verify the DLCI destination address in a Frame Relay static configuration？（）

A.show frame-relay end-to-end
B.show frame-relay map
C.show frame-relay lmi
D.show frame-relay pvc

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單項(xiàng)選擇題

Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-insecurity mechanisms？（）

A.Frame Relay
B.HDLC
C.x.25
D.PPP

多項(xiàng)選擇題

Which two values are used by Spanning Tree Protocol to elect a root bridge?（）

A.amount of RAM
B.bridge priority
C.IOS version
D.IP address
E.MAC address
F.speed of the links

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