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

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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