CompTIA A+® Certification All-In-One For Dummies®, 2nd Edition

1.6. Prep Test

1. Which of the following is not an acceptable cleaner for computer components?

   1. ^ Alcohol and cotton swabs

   2. ^ Dry, lint-free cloth

   3. ^ Ammonia-based cleaner

   4. ^ Cloth moistened with water

2. Which of the following does not help improve computer airflow?

   1. ^ Adding exhaust fans

   2. ^ Leaving spaces between devices

   3. ^ Keeping vents clear of debris and dust

   4. ^ Using ribbon cables where possible

3. Which of the following is not a reason to implement a preventive maintenance schedule?

   1. ^ Reduce office temperature

   2. ^ Improve performance

   3. ^ Protect data

   4. ^ Improve productivity

4. Which two items will help ensure that your preventive maintenance plans are followed?

   1. □ Filing completed checklists

   2. □ Keeping the number of tasks limited

   3. □ Automating tasks

   4. □ Purchasing colored index tabs for files

5. What tools will help with hard drive maintenance? (Choose two.)

   1. □ defrag.exe

   2. □ fdisk.exe

   3. □ chkdsk.exe

   4. □ mem.exe

6. What is one of the problems caused by low relative humidity?

   1. ^ EMI

   2. ^ PKI

   3. ^ ESD

   4. ^ TCP

7. Which of the following can become an issue if you keep your computer running all the time?

   1. ^ Thermal expansion

   2. ^ Wear-out

   3. ^ Chip creep

   4. ^ EMI

8. What factors affect the storage life of computer media? (Choose two.)

   1. □ Media length

   2. □ Age of facility

   3. □ Temperature

   4. □ Humidity

9. What is usually found in vendor-supplied, laser printer maintenance kits?

   1. ^ Paper pickup rollers

   2. ^ Replacement power cable

   3. ^ Paper

   4. ^ Toner cartridges