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单选题
Before installing a new device， a technician checks to make sure the device is on the HCL. Which of the following is the advantage of having an HCL device？（）
A
It is supported by other vendors
B
Increases performance
C
Decreases cost
D
Meets vendor standards
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单选题In which situation（s） will Windows XP advise the technician installing a device that the driver is signed or not？（）A
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for all non PnP（non plug and play） device drivers and most PnP（plug and play） device driversD
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单选题A user is attempting to access a website but is getting a ‘Page cannot be displayed’ error. The technician checks the IP address of the computer and sees that it has been assigned 169.254.10.70. Which of the following is the MOST likely cause?（）A
The device is located behind a firewall.B
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