| 1: | Which of the following is not part of a disk drive: platters, arms, controller, or fan? |
| A1: | Answer: Fan |
| 2: | What is the flying height of modern disk heads? |
| A2: | Answer: 15 nanometers |
| 3: | True or false: The clicking sound coming from disk drives is caused by the head touching the media. |
| A3: | Answer: False. It's the sound of the actuator moving. |
| 4: | What does logical block addressing provide? |
| A4: | Answer: Addressing by sector number in a flat address space, as opposed to having to use cylinders, tracks, and sectors |
| 5: | Where is disk throughput greater: inside tracks or outside tracks? |
| A5: | Answer: Outside tracks |
| 6: | What is MTBF used for? |
| A6: | Answer: MTBFis used to predict the failure rates for many disk drives. |
| 7: | True or false: Multiple applications can access different partitions on a disk drive without regard for performance. |
| A7: | Answer: False |
| 8: | How often should tape heads be cleaned? |
| A8: | Answer: Every 30 hours of operation |
| 9: | True or false: Data compression always cuts the time it takes to run backup in half. |
| A9: | Answer: False. It depends on the data's compressibility. |
| 10: | What are the two major types of tape technologies used in UNIX and Windows environments? |
| A10: | Answer: Linear and helical scan |