A computer’s case fan protects against which of the following environmental concerns?（）A、PressureB、HeatC、Brown outD、Cold

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第2题：

A technician receives a computer for repair and observes that the fan on the power supply is not moving. Which of the following should the technician do？ （）

• A、Move the power supply voltage switch to 220 volts.
• B、Add an additional fan to help cool the computer.
• C、Replace the cable that attaches the power supply to the motherboard.
• D、Replace the power supply.

正确答案:D

第3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.

正确答案:C

第4题：

A technician dropped a screw in the case of a desktop computer. Which of the following toolsshould be used to retrieve the screws?（）

• A、Computer vacuum
• B、Plastic tweezers
• C、Canned air
• D、Screwdriver with magnetized tip

正确答案:B

第5题：

Which of the following statements about cooling is true？（）

• A、Adapter cards （e.g. modems） do not add to the heat generated in a computer case.
• B、Bus mastering reduces the amount of heat generated inside a computer case.
• C、Removing expansion slot covers can compromise cooling airflow design.
• D、Periodic cleaning of the computer components inside the case has no effect on cooling efficiency.

正确答案:C

第6题：

When disposing of computer equipment, which of the following can present an environmental hazard?（）

• A、Bezel
• B、SATA cable
• C、Cat5 cable
• D、CRT monitor

正确答案:D

第7题：

A mail server keeps shutting down. The administrator gets an error message over temperature error? Which of the following should the administrator replace FIRST?（）

• A、Power supply fan
• B、CPU fan
• C、Heat sink
• D、Case fan

正确答案:B

第8题：

A user reports that their PC is making a strange noise. Which of the following is the cause of the problem?（）

• A、A network cable is vibrating against the system case.
• B、An internal wire is improperly routed and is hitting the CPU fan.
• C、The thermal grease on the CPU has dried out and needs to be replaced.
• D、The CPU needs to be reseated.

正确答案:B

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第13题：

Which of the following comparison of Control Plane Policing （CoPP） with Receive ACL（Racl） is correct？（）

• A、CoPP protects against IP spoofing；Racl protects against DoS attacks.
• B、CoPP can not use named access lists；Racl can use named access lists
• C、CoPP applies to a dedicated control plane interface；Racl applies to all interfaces.
• D、CoPP needs a AAA server，Racl does not need a AAA server
• E、CoPP supports rate limits；Racl does not support rate limits

正确答案:C,E

第14题：

Modern desktop computer systems require the following to properly dissipate heat（）

• A、Temperature Control Panel
• B、Thermal Compound
• C、Liquid Cooling Systems
• D、Processor Heat Sink
• E、Case Fan

正确答案:B,D

第15题：

A small push button typically found on the inside of a server case is MOST likely used for which of the following purposes?（）

• A、UID switch
• B、Power switch
• C、Cooling fan switch
• D、Chassis intrusion switch

正确答案:D

第16题：

Which of the following would BEST provide cooling to a processor?（）

• A、Case fan
• B、Heatsink
• C、Liquid cooling system
• D、CPU fan

正确答案:C

第17题：

Which of the following is a reason why Bob, a technician, should install case fans in the front of acomputer case?（）

• A、It forces hot air out of the PC
• B、The fan is easier to remove and clean
• C、It forces cooler air into the power supply quickly
• D、It forces cooler air across the motherboard

正确答案:D

第18题：

In order to ensure there is proper airflow in a new computer, which of the following should be performed?（）

• A、Install a passive hard drive cooler.
• B、Unplug the redundant power cables from the motherboard.
• C、Install rounded IDE cables.
• D、Drill holes in the PC's case to create more airflow

正确答案:C

第19题：

A mail server keeps shutting down. The administrator gets an error message over temperature error. Which of the following should the administrator replace FIRST？（）

• A、 Power supply fan
• B、 CPU fan
• C、 Heat sink
• D、 Case fan

正确答案:B

第20题：

Which of the following should be checked FIRST if the laptop’s fan continuously goes full speed?（）

• A、Dust buildup
• B、AC adapter
• C、Battery temperature
• D、Fragmentation

正确答案:A

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