A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）A、Cable testerB、Power supply testerC、Tone generatorD、Multimeter
A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）
- A、Cable tester
- B、Power supply tester
- C、Tone generator
- D、Multimeter
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in ireland，the president is only a symbolic head of state and does not have executive power. ()
After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）A. MultimeterB. VoltmeterC. Loopback plugD. Toner probe
A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）A. Backup power generatorB. Uninterruptable power supplyC. Power line conditionersD. Surge protectors
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A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).A. Set the clear password jumper on the motherboardB. Enter the BIOS setup and select the clear password settingC. Remove the power cord from the power supply and then plug it back inD. Power cycle the PCE. Remove the CMOS battery for 15 minutes
New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?() A. OTDRB. Media converterC. CSU/DSUD. Fiber repeater
When a computer does not recognize an internal modem， a technician should determine whether：（）A、the modem is seated properly.B、the number being dialed is valid.C、there are resource conflicts.D、there is power to the modem.E、the modem speaker is enabled.
A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）A、Backup power generatorB、Uninterruptable power supplyC、Power line conditionersD、Surge protectors
A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).A、Set the clear password jumper on the motherboardB、Enter the BIOS setup and select the clear password settingC、Remove the power cord from the power supply and then plug it back inD、Power cycle the PCE、Remove the CMOS battery for 15 minutes
A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）A、Move the power supply voltage switch to 220 volts.B、Add an additional fan to help cool the computer.C、Replace the cable that attaches the power supply to the motherboard.D、Replace the power supply.
New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?（）A、OTDRB、Media converterC、CSU/DSUD、Fiber repeater
The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）A、The memoryB、The CMOS batteryC、The PCIe power jackD、The processor for chip creep
Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）A、Cable testerB、Ohm meterC、Field strength meterD、PSU tester
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 RAMB、240 volt Kitchen outletsC、Power BrownoutsD、Excessive Heat
A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）A、SATAB、FDDC、IDED、ATX
A technician has found that the uninterruptible power supply (UPS) connected to a server does not have sufficient battery power to allow the server to shutdown gracefully. Which of the following is the MOST cost effective way to allow this server to shutdown gracefully?（）A、Install a second UPS.B、Increase the size of the swapfile.C、Increase the size of the pagefile.D、Install an extended battery pack into the UPS
A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）A、The monitor cannot display the increased resolution that is a feature of the new graphics card.B、The power supply does not provide enough wattage to power the new graphics card.C、The new graphics card is incompatible with the existing processor.D、The computer does not have enough RAM to support the new graphics card.
单选题Does brain power ______ as we get older? Scientists now have some surprising answers.Adescend Bdecline CreduceDcollapse
单选题The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）AThe memoryBThe CMOS batteryCThe PCIe power jackDThe processor for chip creep
单选题In the expression an, n is an even power. Which of the following expressions does not have even power?Aan +lBa2nCan+2Da3nEan+4
单选题A technician does not have power to a PC. Which of the following tools should the technician use to check for electricity?（）ACable testerBPower supply testerCTone generatorDMultimeter
单选题A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）AThe monitor cannot display the increased resolution that is a feature of the new graphics card.BThe power supply does not provide enough wattage to power the new graphics card.CThe new graphics card is incompatible with the existing processor.DThe computer does not have enough RAM to support the new graphics card.
多选题When a computer does not recognize an internal modem， a technician should determine whether：（）Athe modem is seated properly.Bthe number being dialed is valid.Cthere are resource conflicts.Dthere is power to the modem.Ethe modem speaker is enabled.
单选题After making a long CAT5 cable, the technician fears that the cable may have been damagedduring the pull, but does not have a cable tester. Which of the following would be the BESTalternative tool to determine whether there are any breaks or shorts in the cable?（）AMultimeterBVoltmeterCLoopback plugDToner probe
单选题A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）ABackup power generatorBUninterruptable power supplyCPower line conditionersDSurge protectors
多选题A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).ASet the clear password jumper on the motherboardBEnter the BIOS setup and select the clear password settingCRemove the power cord from the power supply and then plug it back inDPower cycle the PCERemove the CMOS battery for 15 minutes