9L0-010 무료 덤프문제 온라인 액세스

What is the indication that a Mac has completed a successful power-on self test (POST)?

• A.A series of beeps.
• B.Startup Chime.
• C.The Desktop, Dock, and menu bar load.
• D.The Login Window starts.

You should periodically _____ your ESD mats.

• A.turn over
• B.replace
• C.clean
• D.disconnect

Which of the following is NOT a good step to take when working onsite on a computer?

• A.Place parts on the floor
• B.Check the polarity of the grounded power outlet.
• C.Wear a grounded ESD wrist strap.
• D.Use a grounded ESD mat

Which THREE of the following are valid CRT safety rules? SELECT THREE

• A.Wear safety goggles
• B.Don't work alone.
• C.Connect the AC power cord.
• D.Remove any metal jewelry
• E.Touch the computer's metal chassis.
• F.Wear a grounded ESD wrist strap.

A MacBook Pro (17-inch Mid-2010) powers on with no image on the built-in display. You connect an external display and restart the MacBook Pro, yet you still see no image on either display. Which of the following is most likely the cause of this symptom?

• A.Not enough RAM
• B.RAM not completely seated
• C.Dead battery
• D.Faulty optical drive