A crossover cable is MOST commonly associated with which of the following layers of the OSI model?（）..

第1题

[单选题] An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）

A、Straight-through cable is used to connect both switches B、Loopback plug is connected C、Crossover cable is used to connect both switches D、Cable is a rollover cable

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第2题

[单选题] After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?（）

A、Crossover cable with open pairs B、Crossover cable C、Rollover cable D、Straight-thru cable with open pairs

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第3题

[] A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? （）

A、A. Cable tester B、B. Multimeter C、C. Loop back plugs D、D. Crossover cable

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第4题

[单选题] A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light. Which of the following is the cause of this situation?（）

A、The switches are not stackable B、The cable was not wired using 568A C、The cable needs to be a crossover cable D、The switches have IGMP snooping enabled

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第5题

[单选题] Which of the following cables can be used to directly connect a laptop to a PC for ICS?（）

A、IEEE 1394 cable B、CAT5 crossover cable C、CAT5e patch cable D、Parallel cable

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第6题

[单选题] Which of the following should be used to test an internal NIC without having to connect it to thenetwork?（）

A、Loopback cable B、Crossover cable C、Rollover cable D、Straight cable

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第7题

[单选题] A user is trying to connect their new desktop to the network but is unable to get an IP address. The technician tests the cable and finds that there are too many open pairs. Which of the following wiring standards needs to be used in the replacement cable?（）

A、568B B、Crossover C、569-A D、607-A

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第8题

[单选题] A user has just moved a PC from one office to another. The patch cable and the NIC do notappear to be functioning in the new office but were working before the move. The patch cable is plugged in correctly to both the NIC and the wall jack. Which of the following actions should the technician take FIRST?（）

A、Verify that the network card is compatible with the operating system. B、Verify that the port on the switch is enabled. C、Update the network card driver. D、Replace the network cable with a crossover cable.

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第9题

[单选题] Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?（）

A、Rollover cable B、Console cab le C、Crossover cable D、Straight-through cable E、Serial cable

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A crossover cable is MOST commonly associated with which of the following layers of the OSI model?（）

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