A technician is troubleshooting a laptop LCD, and when the cover is opened nothing shows on the screen. Then all of a sudden the screen comes on and works fine. Which of the following should the technician check FIRST?（）
A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem（）。A、A remote physical layer problem exists.B、The host NIC is not functioning.C、TCP/IP has not been correctly installed on the host.D、A local physical layer problem exists.
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Which of the following is unsafe for a technician to use when troubleshooting or repairing a CRT monitor?（）A、Anti-static padB、Anti-static wrist strapC、Rubber glovesD、Multimeter
A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）A、The WLAN card is 802.11g.B、The WLAN card is 802.11b.C、The WLAN card is 802.11n.D、The WLAN card is 802.11a.
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 network technician is troubleshooting a network issue that has just been reported. Which of thefollowing troubleshooting steps should the technician take FIRST to help resolve this issue?（）A、Record the solution in the appropriate logs for future use.B、Ask the user who reported the issue what past documentation they have.C、Ask the user who reported the issue to explain the symptoms in detail.D、Record what steps should be taken to resolve the issue.
A technician is troubleshooting a user’s problem; important Windows services are not starting. In which of the following locations should the technician check to investigate when these services started or stopped?（）A、Com+.logB、System LogC、Security LogD、Application Log
A technician is troubleshooting a CD/DVD drive. There is a disk in the drive and the tray wont eject. Which of the following actions should the technician take FIRST？ （）A、Shutdown， restart and verify that the BIOS recognizes the drive and try again.B、Replace the CD/DVD drive.C、Pry the tray open with a small， flat head screwdriver.D、Place the end of a paper clip in the emergency eject pinhole on the CD/DVD drive.
