Computer Hardware
A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?

check the CONFIG.SYS
None of these
check the jumper setting on the cd-rw
flash or upgrade the BIOS
add cdrw in the device manager

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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?

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

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