A technician has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）..

第1题

[单选题] The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?（）

A、A new default gateway has been setup. B、A new Internet shortcut has been added. C、A new web browser has been installed and is now the default. D、A proxy server has been enabled.

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第2题

[单选题] A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）

A、Reseat all power connections. B、Remove the CMOS battery. C、Install the graphics card. D、Ground to the case.

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第3题

[] A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（） A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）

A、A. The laptop is too far away from the WAP. B、B. The WAP is using 802.11a frequencies. C、C. The laptop is only set to allow 802.11n connections. D、D. The technician is on an 802.11b network.

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第4题

[单选题] An end user reports that their computer is making noise constantly. The technician notes that the hard drive activity light is on frequently. The technician finds plenty of free space on the drive.Which of the following BEST explains why the drive light is continuously active?（）

A、The system has a fragmented hard drive. B、The drive interface needs to be changed. C、The user has too many documents on the hard drive. D、The system page file has an issue.

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第5题

[单选题] A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue. Which of the following is MOST likely causing this PC’s issue?（）

A、Faulty RAM B、240 volt Kitchen outlets C、Power Brownouts D、Excessive Heat

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第6题

[多选题] A coworker has reported that someone has engaged in prohibited activity. The supervisor hasasked the technician to quarantine the PC until police arrive. Which of the following should the technician do?（）

A、Allow the user to continue working B、Check for viruses C、Re-image the hard drive D、Document time/date for later reference E、Prevent users from accessing the PC F、Turn off PC

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第7题

[单选题] A technician has been given a task to create a separate location for disaster recovery. Thecompany has very high uptime requirements and will lose money if there is any downtime. Whichof the following deployments should the technician consider？（）

A、Hot site B、Warm site C、Fault tolerant site D、Cold site

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第8题

[单选题] A technician has just finished installing a new NIC into a customer’s desktop. Which of thefollowing should the technician do NEXT?（）

A、Perform a full system backup. B、Follow up with the customer, verifying satisfaction. C、Ask their manager to contact the customer. D、Perform a complimentary virus scan.

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第9题

[单选题] A technician notices a machine’s performance has degraded. The machine has constant errorswhen trying to read data from the drive. Which of the following should be used to repair the disk errors?（）

A、DEFRAG B、MSCONFIG C、EDIT D、CHKDSK

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第10题

[单选题] A technician is installing Windows XP on a system that has a SATA HDD. Which of the following will the technician MOST likely have to do to start the installation? （）

A、Press the F8 Key B、Press the F3 Key C、Press the F2 Key D、Press the F6 Key

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A technician has just installed a new power supply into a desktop computer and now the computer will not turn on. Which of the following is the MOST likely cause?（）

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