问题:After a technician installs a new CMOS battery on a motherbo...
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问题:单选题An alternative to plain old telephone service (POTS) would be:()A X.25.B Asynchronous transfer mode (ATM).C VoIP.D Public Switched Telephone Network (PSTN)....
问题:单选题A technician has installed a secondary hard drive for a computer. However, the hard drive is not appearing under My Computer. The disk is receiving power, and appeared on the POST when Windows started. Which of the following Windows utilities would hel...
问题:单选题A user has a 1TB external hard drive connected to a desktop system. When the user searches the drive for a file, the response to the search is very slow. How can the user improve the performance of the file searches on the external drive?()A Change the...
问题:单选题A laptop has a non-functioning keyboard. After the keyboard was replaced with a known good one, the technician finds that the keyboard still is not functioning. Which of the following steps should the technician take NEXT?()A Replace the motherboard.B ...
问题:Which of the following will allow Karen, a technician, to de...
问题:单选题A laser printer keeps displaying, ‘Paper Jam – Front Door’. It does not matter which tray or paper type the printer is using. Which of the following is the MOST likely reason why the printer is having this issue?()A The printer fuser assembly needs to ...
问题:单选题A display on a laptop has become very dim, almost unable to be seen. Which of the followingcomponents is the MOST likely cause of this problem?()A Video cardB Inverter boardC AC adapterD Processor...
问题:单选题Which of the following commands should Mike, a technician, use to display the available switches of a command line utility?()A DIR /SB MSINFOC ATTRIB -HD HELP...
问题:单选题A user reports that their machine seems to be running slower than usual. The user states that the computer has become progressively worse as more applications are installed. Which of the following is the FIRST step the technician should take?()A Run th...
问题:Which of the following wireless standards uses the 5GHz freq...
问题:单选题A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?()A The device needs a firmware update...
问题:单选题A technician has resolved a paper jam. After the jam is cleared, the display continues to indicate that the printer is jammed. Which of the following should be performed NEXT?()A Power cycle the printerB Print a test pageC Remove all the paper trays an...
问题:单选题Which of the following tools is used to consolidate files and folders on a local drive?()A CHKDSKB DEFRAGC DISK CLEANUPD Computer Management...
问题:单选题Which of the following is the number of SCSI devices that can be added to a single narrow SCSI bus?()A 6B 7C 8D 9...
问题:单选题Which of the following would be the BEST way to restrict access to the WAP from certain clients?()A Disable DHCP serverB Enable WEP encryptionC Disable SSID broadcastD Enable MAC filtering...
问题:单选题Which of the following files are required to start Windows XP boot process?()A Ntldr, boot.ini and ntdetect.comB IO.sys, boot.ini and ntboot.sysC IO.sys, Msdos.sys and boot.sysD Config.sys, msconfig.sys and boot.ini...
问题:单选题Which of the following is the purpose of the sigverif.exe utility?()A Encrypt a file for secured electronic delivery.B Confirm the digital certificate to check file integrity.C Remove non-certified drivers from the driver cache.D Choose the level of dr...
问题:Which of the following utilities can display drivers install...