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单选题
A technician has a laptop that is running slow and notices the fan is on high. Which of the following should the technician try FIRST?（）
A
Clean the heatsink assembly of debris.
B
Turn the fan off when the AC adapter is attached.
C
Turn the fan to low in the BIOS.
D
Replace the processor and fan.
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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?()
A. The wireless switch was damaged during the display installation.B. The network card has failed.C. The new display is interfering with the wireless signal.D. The antenna connector was not reconnected.
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After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?()
A. Antennae is not connectedB. Wireless card is defectiveC. Drivers needs to be updatedD. OS needs to be updated
考题
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.
考题
A user states that they are trying to project their laptop to a screen for a presentation. They have plugged the projector cable into their laptop, and turned the projector on, but no signal is found. Which of the following should the technician perform FIRST?（）A. Ensure the projector is receiving powerB. Verify the laptop is not running on batteryC. Toggle the function key for displaysD. Replace the projector cable with another
考题
Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）A、show hostsB、show sessionsC、show connectionsD、disconnectE、CTRL+SHIFT+6xF、exit
考题
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？（）A、The wireless switch was damaged during the display installation.B、The network card has failed.C、The new display is interfering with the wireless signal.D、The antenna connector was not reconnected.
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The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）A、 Increase physical diskB、 Increase number of CPU’sC、 Increase physical memoryD、 Increase number of servers
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A user states that the LCD display on their laptop has intermittent lines on the screen. The technician notices that when the display panel is moved, the line appears and then disappears. Which of the following is the MOST likely cause?（）A、The hinge on the display panel is damaged.B、The display cable is loose or damaged.C、The display panel is defective.D、The video controller on the system board is defective.
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A user states that they are trying to project their laptop to a screen for a presentation. They have plugged the projector cable into their laptop, and turned the projector on, but no signal is found. Which of the following should the technician perform FIRST?（）A、Ensure the projector is receiving powerB、Verify the laptop is not running on batteryC、Toggle the function key for displaysD、Replace the projector cable with another
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After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）A、Antennae is not connectedB、Wireless card is defectiveC、Drivers needs to be updatedD、OS needs to be updated
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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、DEFRAGB、MSCONFIGC、EDITD、CHKDSK
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A user reports that the computer is running slowly. After running the SFC， a technician observes that the dllcache folder has become corrupted. Which of the following utilities can be run to repair the contents of the dllcache directory？ （）A、FORMATB、SFCC、HyperTerminalD、DEFRAG
考题
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、The laptop is too far away from the WAP.B、The WAP is using 802.11a frequencies.C、The laptop is only set to allow 802.11n connections.D、The technician is on an 802.11b network.
考题
An administrator logs into a server and notices slow performance.While troubleshooting the problem the administrator notices that an unfamiliar process in the Task Manager is running at 100% CPU usage.The administrator tries to end the task and receives ‘Access is denied’. Which of the following steps would allow the administrator to terminate that process？（）A、Adding the ‘Run as a service’ permission to their account.B、Running the kill utility.C、Adding their account to the remote users group.D、Ending the services.exe process then ending the runaway process.
考题
A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）A、StickyKeys is enabled and needs to be disabled.B、The new keyboard is defective and needs to be replaced.C、The system board is defective.D、The keyboard ribbon is not seated properly.
考题
A technician receives a laptop that is running out of battery power more quickly than expected.Which of the following can the technician do to correct the problem？ （）A、Note on the work order that the laptop is losing battery capabilities and the laptop must be replaced.B、Replace the battery by purchasing a new battery from the manufacturer.C、Stop using the battery and use alternating current （AC） power for the laptop.D、Replace the AC adaptor by purchasing a new adapter from the manufacturer.
考题
A technician has a laptop that is running slow and notices the fan is on high. Which of the following should the technician try FIRST?（）A、Clean the heatsink assembly of debris.B、Turn the fan off when the AC adapter is attached.C、Turn the fan to low in the BIOS.D、Replace the processor and fan.
考题
单选题The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list （fre） approaching zero， as well as page-in （pi） and page-out （po） values to be high. Furthermore， the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement？（）A
Increase physical diskB
Increase number of CPU’sC
Increase physical memoryD
Increase number of servers
考题
单选题A user is unable to access the company website on a laptop. A network technician verifies that theuser can access other Internet pages. According to network troubleshooting methodology, which of the following steps should be taken NEXT?（）A
Remotely connect to the user's laptop and review the network configuration settingsB
Ping the web server from inside the network to ensure it is still up and running.C
Check to make sure the company's website is accessible from the Internet.D
Ensure the Ethernet cable is securely plugged into the user's laptop
考题
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.
考题
单选题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
The laptop is too far away from the WAP.B
The WAP is using 802.11a frequencies.C
The laptop is only set to allow 802.11n connections.D
The technician is on an 802.11b network.
考题
单选题A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）A
StickyKeys is enabled and needs to be disabled.B
The new keyboard is defective and needs to be replaced.C
The system board is defective.D
The keyboard ribbon is not seated properly.
考题
单选题A technician has a laptop in for repair with a consistent video corruption issue. The issue is seen on the local display and on an external monitor. The issue happens on the BIOS setup screen as well as within Windows. Which of the following laptop components is MOST likely failing?（）A
VGA portB
LCD displayC
Onboard video cardD
Inverter
考题
单选题A user states that the LCD display on their laptop has intermittent lines on the screen. The technician notices that when the display panel is moved, the line appears and then disappears. Which of the following is the MOST likely cause?（）A
The hinge on the display panel is damaged.B
The display cable is loose or damaged.C
The display panel is defective.D
The video controller on the system board is defective.
考题
多选题Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?（）Ashow hostsBshow sessionsCshow connectionsDdisconnectECTRL+SHIFT+6xFexit
考题
单选题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？（）A
The wireless switch was damaged during the display installation.B
The network card has failed.C
The new display is interfering with the wireless signal.D
The antenna connector was not reconnected.
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