A technician is installing a memory upgrade for a remote user. The technician notes that the machine is not reporting the correct amount of memory that was installed during the POST step.<br /> Which of the following actions should the technician perform FIRST?（）..

第1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?（）

A、A. Physical B、B. Data link C、C. Network layer D、D. Transport layer E、E. Application layer

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第2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?（）

A、Reboot in Safe Mode B、Reboot in Recovery Console C、Reboot in Last Known Good Configuration D、Reboot in System Debug Mode

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第3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4题

[] Jill, a technician, is installing several PCs in a home that is pre-wired with Ethernet to seven rooms. In the wiring closet all the Ethernet cables are hanging free and are not labeled. Which of the following tools would the technician use to locate the cable that runs to each room?（） Jill, a technician, is installing several PCs in a home that is pre-wired with Ethernet to seven rooms. In the wiring closet all the Ethernet cables are hanging free and are not labeled. Which of the following tools would the technician use to locate the cable that runs to each room?（）

A、A. Extension magnet B、B. Toner probe C、C. Multimeter D、D. Optical Time Domain Reflectometer (OTDR)

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第5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?（）

A、Open pairs B、Attenuation C、Crosstalk D、Interference

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第6题

[单选题] A technician is able to connect to the Internet but cannot connect to a remote machine through Remote Desktop in Windows XP. Each time the technician attempts to connect to a remote location, the software times out. Which of the following is the MOST likely problem?（）

A、The Java applet is disabled in the web browser. B、Deny all has not been configured in the firewall. C、Wireless network drivers are corrupt. D、Port forwarding settings are not correct

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第7题

[单选题] A technician is renaming files on a PC from a command prompt and is currently in the root of driveC: Which of the following commands should the technician use to move to a different directory? （）

A、CD B、DIR C、MD D、RD

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第8题

[单选题] A technician is replacing fifteen 21 CRTs with 19 LCDs. The storage room is on the other side of the building. Which of the following safety measures should the technician take? （）

A、Wear a back brace when lifting and carrying the CRTs to the storage room. B、Wear anti-static wrist straps to prevent ESD in the new monitors. C、Recycle the monitors after removing the capacitors for use in other monitors. D、Ask several technicians for help in lift the CRT monitors and use a cart for transporting them.

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第9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10题

[单选题] A technician is replacing a processor in a workstation. After installation, the workstation starts up and immediately shuts down; the technician tries to start the workstation several more times and gets the same result. Which of the following is the cause of this issue?（）

A、The workstation is not plugged in. B、The thermal paste was not applied. C、The memory was not installed properly. D、The L2 cache was not cleared.

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A technician is installing a memory upgrade for a remote user. The technician notes that the machine is not reporting the correct amount of memory that was installed during the POST step.<br /> Which of the following actions should the technician perform FIRST?（）

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