After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）..

第1题

[单选题] After a technician installs a video card, which of the following should the technician configure NEXT?（）

A、Resolution B、Colors C、Dots per inch D、Refresh rate

第2题

[多选题] A technician installed a new application on a Windows XP desktop. After the application wasinstalled, the technician rebooted the desktop and received a bluescreen error. Which of thefollowing steps should the technician perform?（） (Select TWO).

A、Boot into Safe Mode B、Replace the motherboard C、Uninstall the application D、Replace the hard drive E、Install more RAM

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第3题

[单选题] The user cannot access some Internet websites, but can connect to resources inside the local network. The technician successfully uses the ping command to test the user’s connectivity. Which of the following commands can the technician run NEXT to troubleshoot the issue?（）

A、net /? B、ipconfig /flushdns C、netstat -r D、nbtstat -R

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第4题

[单选题] Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）

A、After an unsuccessful reboot B、If a user’s IP address has been spoofed C、After using IPCONFIG /RELEASE D、If the computer has an ARP address conflict

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第5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6题

[单选题] While using the ping command to try and reach a local server, a technician receives a response of “Destination host unreachable”. After confirming that the PC is physically connected to the network, which of the following commands should the technician use to get more detailed information?（）

A、TRACERT B、GREP C、TELNET D、DIG

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第7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、Check all connections. C、Replace the USB controller. D、Check the PS/2 connector.

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第8题

[单选题] The network technician is troubleshooting a network issue by implementing a new security device.After installing and configuring the device, which of the following steps should the technician takeNEXT?（）

A、Verity full system functionality B、Identify the main problem and question the user C、Document their findings, actions, and outcomes D、Escalate the issue to upper management

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第9题

[单选题] After moving files from one folder to another, the technician cannot access them. Which of the following MUST the technician do to regain access to these files?（）

A、In folder options, select show hidden files and folders. B、Perform the transfer again. C、Reboot the system; access will be reset automatically. D、Take ownership of the files.

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第10题

[单选题] Which of the following would provide a technician with a performance reference point to refer backto after hardware repair?（）

A、Baseline B、Network map C、Wire scheme D、Asset management

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After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）

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