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【单选题】

A technician notices that the BIOS event log shows a chassis intrusion. Which of the following is theMOST likely reason for the event? （）

A、There is a loose object in the case.

B、An optical drive drawer is open.

C、The computer case was opened.

D、An attacker hacked into the system.

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第1题
[单选题] The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the followingconnectivity issues did the technician discover?（）

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第2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 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、A. The laptop is too far away from the WAP.  B、B. The WAP is using 802.11a frequencies.  C、C. The laptop is only set to allow 802.11n connections.  D、D. The technician is on an 802.11b network.  

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第3题
[单选题] A technician is dispatched to a malware infected system. Upon arrival, the technician notices themalware’s pop-up on the screen. Which of the following boot methods would the technician utilize?（）

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第4题
[单选题] A technician is servicing a customer’s color laser printer and notices excess toner in the printer.Which of the following tools would BEST assist the technician in removing the excess toner?（）

A、Damp towel  B、Compressed air  C、Alcohol wipe  D、Computer vacuum  

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第5题
[] A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（） A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?（）

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第6题
[] A technician is setting up a new inkjet printer and notices that the images appear hazy. Which of the following should the technician perform FIRST to resolve the issue?（）

A、A. Refill the cartridges  B、B. Replace the toner  C、C. Replace the network cable  D、D. Calibrate the inkjet printer  

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第7题
[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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第8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？（）

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第9题
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第10题
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A、DEFRAG  B、MSCONFIG  C、EDIT  D、CHKDSK  

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