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A computer’s onboard LPT1 port fails. Which of the following

题目
单选题
A computer’s onboard LPT1 port fails. Which of the following I/O cards should be installed to fix this problem?（）
A

Serial

B

Parallel

C

FireWire

D

USB

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相似问题和答案

第1题：

A computer’s case fan protects against which of the following environmental concerns?()

A. Pressure

B. Heat

C. Brown out

D. Cold


参考答案：B

第2题：

A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: “telnetcomputernamE. 3389” and also gets the same error message. Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）

  • A、The antivirus software is blocking the incoming connection.
  • B、The ISP is blocking Remote Desktop at their end.
  • C、The RDP connection has been configured to use a non-standard port.
  • D、The telnet service has not been installed.

正确答案:C

第3题：

Which of the following applieans is most likely to be employed?

A.A school teacher with a master’s degree.

B.A university graduate in computer science.

C.A director from a with a master’s degree.

D.A eler company


正确答案：C

第4题：

A remote user is attempting to install a new external storage device on their computer. The user reports they only have one port open on the back of the device and the port is similar to the USB port their mouse is connected to. The port has a bevel on one side and is slightly larger than the USB port. Which of the following connector types is MOST likely being described?（）

  • A、IEEE 1394
  • B、USB 2.0
  • C、PCMCIA
  • D、Parallel

正确答案:A

第5题：

A new computer is displaying the wrong amount of memory. Which of the following may be the cause？（）

  • A、The module is installed backwards.
  • B、A USB device is using some memory.
  • C、An onboard video card is using some memory.
  • D、The CPU is using some memory.

正确答案:C

第6题：

A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?()

A. Remove network connections

B. Remove the RAM

C. Self ground on the computer case

D. Disconnect power to PC


参考答案：D

第7题：

A technician plugs a USB device into the front panel of a desktop computer and nothing happens.The technician knows that plug-n-play is enabled. Which of the following BEST describes a possible cause to this issue?（）

  • A、The technician plugged a USB 2.0 device into a USB 1.1 port.
  • B、The technician needs to reboot the computer for the device to work.
  • C、The technician plugged a USB 1.1 device into a USB 2.0 port.
  • D、The front panel connectors are not plugged into the motherboard.

正确答案:D

第8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9题：

A customer has asked for the ability to operate dual digital monitors. Which of the following is the BEST solution for accomplishing this?（）

  • A、Split the onboard video port.
  • B、Update the video drivers to allow for multiple monitors.
  • C、Add an adaptor to the onboard VGA port.
  • D、Install a video card with multiple DVI ports.

正确答案:D

第10题：

A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）

  • A、The wrong cable type has been used.
  • B、. IDS has shut down the computer's switch port.
  • C、The port on the switch is configured incorrectly
  • D、Spanning tree protocol was implemented.

正确答案:C

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