A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g.<br /> The WLAN card is showing connected at 11Mbps.<br /> Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）<br /> ..

第1题

[单选题] 启动T0开始计数是使TCON的（）

A、TFO位置1 B、TRO位置1 C、TRO位置0 D、TR1位置0

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第2题

[单选题] 启动TO开始计数是使TCON的（）。

A、TF0位置1 B、TRO位置l C、TRO位置O D、TR1位置0

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第3题

[单选题] 在业务持续性方面，如果要求不能丢失数据，则（）

A、RTO为0 B、RPO为0 C、TRO和RPO都为0 D、和TRO、RPO没有关系

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第4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5题

[单选题] A user is present when a technician is troubleshooting their workstation. They insist on showing the technician, step by step, what occurred. How should the technician deal with this situation? （）

A、Allow the user to demonstrate expertise. B、Do not argue; empathize with the user, and offer to help. C、Ask the user to watch as the technician diagnoses and corrects the problem. D、Document each of the steps to replicate at a later time.

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第6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7题

[单选题] A technician is installing a new power supply into a computer. One of the power supply connectors that the technician needs to connect to the motherboard is square and contains 4-pins. This connector is known as which of the following?（）

A、SATA B、FDD C、IDE D、ATX

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第8题

[单选题] Which of the following safety procedures is the BEST when lifting heavy equipment onto a repairbench?（）

A、The technician should always bend at the waist and lift with their arms. B、The technician should seek assistance from an available customer. C、The technician should always bend at the waist and lift with their back. D、The technician should get assistance from another technician.

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第9题

[单选题] A technician is using a packet sniffer to identify a server. The technician observes the following network traffic: Which of the following is MOST likely to be the server?（）

A、HOST-A B、HOST-B C、HOST-C D、HOST-D

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第10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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A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g.<br /> The WLAN card is showing connected at 11Mbps.<br /> Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）<br />

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