Refer to the exhibit． What kind of cable should be used to make each connection that is identified by the numbers shown?

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问题 Refer to the exhibit． What kind of cable should be used to make each connection that is identified by the numbers shown?

选项 A、1 - Ethernet crossover cable
2 - Ethernet straight-through cable
3 - fiber optic cable
4 - rollover cable
B、1 - Ethernet straight-through cable
2 - Ethernet straight-through cable
3 - serial cable
4 - rollover cable
C、1 - Ethernet rollover cable
2 - Ethernet crossover cable
3 - serial cable
4 - null modem cable
D、1 - Ethernet straight-through cable
2 - Ethernet crossover cable
3 - serial cable
4 - rollover cable
E、1 - Ethernet straight-through cable
2 - Ethernet crossover cable
3 - serial cable
4 - Ethernet straight-through cable

答案B

解析相同设备相连使用反序线，而不同设备相连使用直连线，路由器之间相连使用串行线，反序线用于做配置时使用

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Refer to the exhibit． What kind of cable should be used to make each connection that is identified by the numbers shown?

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