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Which of the following should be used to test an internal NIC without having to connect it to thenetwork?（）A、Loopback cableB、Crossover cableC、Rollover cableD、Straight cable

题目

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
参考答案和解析
正确答案:A
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相似问题和答案

第1题：

What kind of cable should be used to establish a trunked line between two Catalyst 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
解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.

第2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


参考答案：C

第3题：

You are trying to connect directly into the LAN prot of a Ezonexam router. You want to telnet to the local Cisco router using TCP/IP but cannot create a session.

What should you do to resolve the problem?

A. Use a straight-through cable to connect your computer's COM port to the router's console port.

B. Use a crossover cable to connect your computer's COM port to the router's console port.

C. Use a straight-through cable to connect your computer's COM port to the router's Ethernet port.

D. Use a crossover cable to connect your computer's Ethernet port to the router's Ethernet port.

E. Use a rollover cable to connect your computer's Ethernet port to the router's Ethernet port.

F. Use a straight-through cable to connect your computer's Ethernet port to the router's Ethernet port.

G. None of the above


正确答案：D
D 解析：Explanation:
In order to connect directly to a router via telnet, you must connect to the router via one of the LAN ports. When connecting directly to the Ethernet port with a PC without the use of a switch or hub, a crossover cable must be used.

Incorrect Answers:
A, B, C. In order to telnet directly into the router via a TCP/IP connection, the COM port of the PC can not be used. The COM port is used for direct terminal emulation programs such as HyperTerminal.

E. Rollover cables are used for console connections into the router, not for TCP/IP connections.

F. Straight through cables are used for connections into a switch or hub from the PC. It will not work for direct Ethernet connections into the router.

第4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5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


参考答案：D

第6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


参考答案：A

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


参考答案：E

第8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 cable

C．Crossover cable

D．Straight-through cable

E．Serial cable


正确答案：D
解析：Explanation:Straight-throughcablesareusedtoconnecthosttoswitch(orhub)androutertoswitch(orhub).

第9题：

You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into the router locally using a terminal emulation program such as HyperTerminal.（）

  • A、Connect the PC's COM port to the router's console port using a straight-through cable.
  • B、Connect the PC's COM port to the router's console port using a rollover cable.
  • C、Connect the PC's COM port to the router's ethernet port using a straight-through cable.
  • D、Connect the PC's ethernet port to the router's ethernet port using a rollover cable.
  • E、Connect the PC's ethernet port to the router's ethernet port using a straight- through cable.

正确答案:B

第10题：

Which of the following can cause ghosting in a video image？（）

  • A、Bent pin on an S-Video cable
  • B、Mislabeled component cables
  • C、Defective HDMI cable
  • D、Improperly terminated coax cable

正确答案:D

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