单项选择题

Which of the following connector types does CAT5e require to connect it from a PC to a switch or router?（）

A.RJ-45
B.RJ-11
C.BNC
D.LC

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单项选择题

A technician is dispatched to install additional RAM in a computer. The technician unplugs thesystem from the power source, and removes the cover of the PC. Which of the following shouldthe technician do NEXT?（）

A. Update the BIOS for compatibility.
B. Put on an ESD strap.
C. Use an anti-static bag to hold the RAM while installing.
D. Clean out the PC with compressed air.

单项选择题

A technician is dispatched to a location. While working, the technician’s cell phone rings. Which of the following actions should the technician take?（）

A. Answer the call to determine its importance.
B. Ignore the call and return the call from a land line.
C. Answer the call and leave the location in order to talk.
D. Silence the phone and allow the call to go to voice mail.

单项选择题

A technician has been asked to ensure a PC is supplied with power for a short time, during apower failure. The technician should install which of the following devices to ensure thisrequirement is easily met?（）

A. Backup power generator
B. Uninterruptable power supply
C. Power line conditioners
D. Surge protectors

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