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多項(xiàng)選擇題

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

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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單項(xiàng)選擇題

In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet mask is the most efficient for point-to-point serial links? （）

A.255.255.255.0
B.255.255.255.240
C.255.255.255.248
D.255.255.255.252
E.255.255.255.254

單項(xiàng)選擇題

Which routing protocol by default uses bandwidth and delay as metrics?（）

A.RIP
B.BGP
C.OSPF
D.EIGRP

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