单选题When making a serial connection between two Windows 2000 machines， which type of cable is needed for proper communications？（）A RG-59 coaxial cableB RS-232 Null Modem cableC telephone cableD UTP CAT5 patch cable

第1题：

第2题：

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第4题：

Which of the following is the proper order for powering off and on network components?（）

• A、Computer> cable modem > router
• B、Cable modem> router> computer
• C、Cable modem> computer> router
• D、Router> cable modem> computer

正确答案:B

第5题：

Which of the following WAN technologies uses a telephone cable?（）

• A、POTS
• B、FDDI
• C、SONET
• D、Cable modem

正确答案:A

第6题：

When installing cables， which of the following is the BEST way of identifying the individual cables？（）

• A、A cable chart mounted in the cabinet
• B、A label at the tip of the cable
• C、A label within six inches at each end of the cable
• D、A penciled notation on the panel cover

正确答案:C

第7题：

What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?（）

• A、a straight-through cable
• B、an EIA/TIA-232 serial cable
• C、an auxiliary cable
• D、a modem cable
• E、a cross-over cable

正确答案:E

第8题：

A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?（）

• A、CAT3 cable
• B、Serial cable
• C、Crossover cable
• D、Rollover cable

正确答案:C

第9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

正确答案:B

第10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

正确答案:A

第11题：

Which of the following is required to connect a partitioned p5-550 to a modem？（）

• A、A modem adapter
• B、An async adapter and serial cable
• C、An Ethernet adapter
• D、A 9-pin to 25-pin converter and serial cable

正确答案:B

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第16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

正确答案:B

第17题：

一个UltraDMA33或者ATAATAAPI4的硬盘驱动器需要哪种cable线？（）

• A、34线的cable
• B、40线的cable
• C、50线的cable
• D、80线的cable

正确答案:D

第18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

正确答案:C

第19题：

Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps. The company is concerned about possible problems from voltage potential differences between the two buildings. Which media type should be used for the connection（）。

• A、UTP cable
• B、STP cable
• C、coaxial cable
• D、fiber optic cable

正确答案:D

第20题：

A technician is attempting to determine whether a CAT5 patch cord is a straight-through or acrossover. Which of the following is the BEST to use to determine the cord type?（）

• A、Cable tester
• B、Loopback cable
• C、Multimeter
• D、Extension magnet

正确答案:A

第21题：

RG-59 is a designation for which of the following cable types?（）

• A、Plenum
• B、Fiber optic
• C、Twisted pair
• D、Coaxial

正确答案:D

第22题：

When making a serial connection between two Windows 2000 machines， which type of cable is needed for proper communications？（）

• A、RG-59 coaxial cable
• B、RS-232 Null Modem cable
• C、telephone cable
• D、UTP CAT5 patch cable

正确答案:B

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