Chapter 5 Quiz

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Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible. What type of hard drive should Jessica purchase?

7200 RPM magnetic HDD

Your friend has compiled a moderate collection of movies they have bought over the years. They all reside on a media server they assembled with remote access capabilities. They would like to have a physical copy of each movie on optical media for off-site storage. Most of the movies consume between 60 and 120 GB of storage. What type of optical storage media should they use to back up the movies? Select two.

BD-R TL BD-R QL

Your computer has recently started to generate a few S.M.A.R.T messages. What is the most favorable thing you could do?

Backup your data immediately

You and a friend decide to watch a movie on your computer. The movie is saved on a second hard drive on your system. When you are ready to watch the movie, you can't find it on your computer. You try to locate the second hard drive, and it is no longer listed in Windows. What might be the problem with the movie and the hard drive?

Hard drive has crashed.

Dumas, who has excellent mechanical aptitude, owns a computer with two hard drives. One drive is used for the operating system and the other drive is used for his personal files. He decides to install a third disk in a RAID 1 configuration to protect the disk with his files against data loss. He is not too concerned about data loss on the disk with the operating system because he could easily reinstall the OS, so that disk is not included in the RAID configuration. When he is done, he powers up his computer, no error messages are displayed, yet he is distraught because all his data is lost. Why would this happen?

He didn't back up his data. When RAID is configured all data on participating drives is lost.

Johan is a hard drive performance engineer working at a major storage device manufacturer. He needs to measure, record, and analyze the throughput, IOPS, and the latency of the different models of drives the company produces. What is the difference between these three parameters? Select three.

Latency measures the time required to process a data request or a transaction. IOPS measures the number of read or write operations performed in one second. Throughput is the amount of data flow through a point in the data path in one second.

You buy a new hard disk drive and install the Linux operating system. You later decide you prefer the Windows operating system so you install it instead. Before you installed either one of the two operating systems, the hard drive had sector markings that allowed you to install the operating system of your choice. What facilitated this capability?

Low-level formatting

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking noise coming from inside his computer. What might be the problem with Paul's computer?

Magnetic hard drive failed.

You are installing a new hard drive in a system in which the hard drive will run at 6.0 Gbps. What can you use to determine whether the SATA port number into which you are connecting the drive will also run at 6.0 Gbps?

Motherboard manual.

Godiva's computer is having issues booting up. She troubleshoots and her best guess is that the BCD is corrupt. .In her endeavor to plan a solution and implement it, what command should she include?

bootrec


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