Computer Hardware
What product is used to clean smudged keys on a keyboard?

None of these
TMC solvent
Silicone spray
Denatured alcohol
All-purpose cleaner

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Computer Hardware
A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

The external drive is turned on
The external drive has been pre¬loaded with the appropriate software
The external drive was attached before the computer was on
All of these
The cables are attached firmly

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Computer Hardware
A workstation has just been installed on an Ethernet LAN, but cannot communicate with the network. What should you check first?

None of the listed here
verify the ip configuration on the workstation
verify the link status on the computer's network card
reinstall the network interface card driver

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