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单选题
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
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更多 “单选题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 PCB The fan is easier to remove and cleanC It forces cooler air into the power supply quicklyD It forces cooler air across the motherboard” 相关考题
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When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）A、The memory is failing.B、The CPU is overheating.C、The hard drive is not attached properly.D、The operating system is not installed.
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Which of the following is true when Bob, a technician, is setting default security permissions on a folder?（）A、There are no significant changes to other files.B、The created folder inherits the most restrictive permissions within the folder.C、The permissions are inherited by all files and folders within that folder.D、All folders within that folder are given a restrictive password.
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Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A、To help the technician learn how to perform the task B、To determine if the user is performing the task properly C、To determine if the user is authorized to perform the task D、To help the technician determine if there is a better way to perform the task in question
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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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A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）A、The WLAN card is 802.11g.B、The WLAN card is 802.11b.C、The WLAN card is 802.11n.D、The WLAN card is 802.11a.
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Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）A、Cable testerB、Ohm meterC、Field strength meterD、PSU tester
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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 PCB、The fan is easier to remove and cleanC、It forces cooler air into the power supply quicklyD、It forces cooler air across the motherboard
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Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）A、VirusB、WormC、Network bandwidthD、Malware
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Which of the following switches for the FORMAT command line utility allows Bob, a technician, toformat a floppy disk the FASTEST?（）A、/cB、/qC、/xD、/v
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单选题Which of the following is true when Bob, a technician, is setting default security permissions on a folder?（）A
There are no significant changes to other files.B
The created folder inherits the most restrictive permissions within the folder.C
The permissions are inherited by all files and folders within that folder.D
All folders within that folder are given a restrictive password.
考题
单选题Bob, a user, reports that his computer is running slower since he viewed an online training presentation. Bob is also receiving an increased amount of spam email. Which of the following is the MOST likely cause of Bob’s issue?（）A
VirusB
WormC
Network bandwidthD
Malware
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单选题After a technician installs a video card, which of the following should the technician configure NEXT?（）A
ResolutionB
ColorsC
Dots per inchD
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考题
单选题Which of the following reasons indicate why it is important to have the user demonstrate the task they are trying to perform?（）A
To help the technician learn how to perform the task B
To determine if the user is performing the task properly C
To determine if the user is authorized to perform the task D
To help the technician determine if there is a better way to perform the task in question
考题
单选题A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）A
Cellular service with an adapter for Bob’s laptop.B
USB adapter with 802.11n capabilities for maximum speeds.C
A Bluetooth card to attach to multiple networks.D
Enable Wi-Fi so Bob can connect to any open network.
考题
单选题A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）A
The WLAN card is 802.11g.B
The WLAN card is 802.11b.C
The WLAN card is 802.11n.D
The WLAN card is 802.11a.
考题
单选题Which of the following commands will allow a technician to disable startup programs? （）A
formatB
sfcC
editD
msconfig
考题
单选题Which of the following switches for the FORMAT command line utility allows Bob, a technician, toformat a floppy disk the FASTEST?（）A
/cB
/qC
/xD
/v
考题
单选题When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）A
The memory is failing.B
The CPU is overheating.C
The hard drive is not attached properly.D
The operating system is not installed.
考题
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.
考题
单选题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 PCB
The fan is easier to remove and cleanC
It forces cooler air into the power supply quicklyD
It forces cooler air across the motherboard
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