Computer Hardware
On a leased line installation a known good external modem shows no carrier detect light. Where is the problem most likely to be?

In the DTC equipment
In the phone line
In the computer
None of these
In the modem

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Computer Hardware
You have just installed a new internal PCI modem on you desktop. It will not dial out. what is the problem?

The port speed is set too high
the modem has not been set up in control panel properties
the phone line out of the wall is plugged into the phone port on the modem card
None of these
the phone line is plugged into the line-in port on the modem card

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Computer Hardware
Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?

None of these
Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock
Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem
Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved

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