Ch5 Exam Questions and
Complete Solutions Graded A+
Your friend has a Lenovo IdeaPad N580 laptop, and the hard drive has failed. Her uncle has offered to
give her a working hard drive he no longer needs, the Toshiba MK8009GAH 80-GB 4200-RPM drive. Will
this drive fit this laptop? Why or why not? - Answer: No, the drive form factor and interface do not
match.
You have four 2.5" hard drives on hand and need a replacement drive for a desktop system. The
documentation for the motherboard installed in the system says the board has six SATA 3 Gb/s
connectors and one IDE connector. Which of the four hard drives will work in the system and yield the
best performance? - Answer: WD 3.5" 7200-RPM SATA 3.0 HDD
You are setting up a RAID system in a server designed for optimum fault tolerance, accuracy, and
minimal downtime. Which HDD is best for this system, assuming the motherboard supports it? - Answer:
Hot-swap 3.5" SATA 3.0 10,000-RPM drive
You have two matching HDDs in a system, which you plan to configure as a RAID array to improve
performance. Which RAID configuration should you use? - Answer: RAID 0
Which of the following situations allows for data not to be lost in a RAID array? - Answer: RAID 1 and
one hard drive fails
A laptop has an SD card slot that no longer reads cards inserted in the slot. Which is the first and best
solution to try? The second? - Answer: 1. Update Windows on the laptop.
2. Download and install the latest drivers from the laptop manufacturer for the card slot.
Explain how a DVD manufacturer can advertise that a DVD can hold 4.7 GB, but Explorer reports the
DVD capacity as 4,706,074,624 bytes or 4.38 GB. - Answer: The manufacturer measures capacity in
decimal and the OS measures capacity in binary.
Complete Solutions Graded A+
Your friend has a Lenovo IdeaPad N580 laptop, and the hard drive has failed. Her uncle has offered to
give her a working hard drive he no longer needs, the Toshiba MK8009GAH 80-GB 4200-RPM drive. Will
this drive fit this laptop? Why or why not? - Answer: No, the drive form factor and interface do not
match.
You have four 2.5" hard drives on hand and need a replacement drive for a desktop system. The
documentation for the motherboard installed in the system says the board has six SATA 3 Gb/s
connectors and one IDE connector. Which of the four hard drives will work in the system and yield the
best performance? - Answer: WD 3.5" 7200-RPM SATA 3.0 HDD
You are setting up a RAID system in a server designed for optimum fault tolerance, accuracy, and
minimal downtime. Which HDD is best for this system, assuming the motherboard supports it? - Answer:
Hot-swap 3.5" SATA 3.0 10,000-RPM drive
You have two matching HDDs in a system, which you plan to configure as a RAID array to improve
performance. Which RAID configuration should you use? - Answer: RAID 0
Which of the following situations allows for data not to be lost in a RAID array? - Answer: RAID 1 and
one hard drive fails
A laptop has an SD card slot that no longer reads cards inserted in the slot. Which is the first and best
solution to try? The second? - Answer: 1. Update Windows on the laptop.
2. Download and install the latest drivers from the laptop manufacturer for the card slot.
Explain how a DVD manufacturer can advertise that a DVD can hold 4.7 GB, but Explorer reports the
DVD capacity as 4,706,074,624 bytes or 4.38 GB. - Answer: The manufacturer measures capacity in
decimal and the OS measures capacity in binary.
