CompTIA Linux+ Guide to Linux Certification (MindTap Course List)
4th Edition
ISBN: 9781305107168
Author: Jason Eckert
Publisher: Cengage Learning
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Chapter 5, Problem 4RQ
Program Description Answer
Before using SCSI hard disk and controller card to store and retrieve the data, the following steps have to be followed.
- Use the “fdisk" command to create one or more partitions on each of the hard disk drives.
- Mount any partitions that are created on the hard disks so that they are accessible by the
operating system . - Finally, format the partitions that were created with a valid filesystem recognized by Linux.
Hence, correct answers are options “C”, “E”, and “F”.
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Jim has just purchased two new SCSI hard disk drives and a controller card for them.He properly installs the hardware in his machine. Before he can use them for data storageand retrieval, what must he do? (Choose all that apply.)a. Mount the two hard drives so they are accessible by the operating system.b. Mount a filesystem to each of the hard disk drives.c. Create one or more partitions on each of the hard disk drives.d. Use the vi editor to edit /etc/mtab and create an entry for the controller card and thehard disk drives.e. Mount any partitions created on the two hard drives such that they are accessibleby the operating system.f. Format any partitions created with a valid filesystem recognized by Linux.
QUESTION 5
When a new hard disk is added to a computer, it is initially configured as which type of disk?
a.
A basic disk
b.
A dynamic disk
c.
A Storage Spaces volume
d.
A storage pool
You have a disk with an average seek time of 3ms. Its rotation speed is 20,000rpm. The disk is organized as 512-byte sectors with 500 sectors per track. Assume that the disk uses sequential organization.
How long would it take to read a file consisting of 3000 sectors?
What is the total size of the file read in MB?
Chapter 5 Solutions
CompTIA Linux+ Guide to Linux Certification (MindTap Course List)
Ch. 5 - Prob. 1RQCh. 5 - After a partition on a hard disk is formatted with...Ch. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - A user mounts a device to a mount point directory...Ch. 5 - Which command is used to display the amount of...Ch. 5 - What must you do to successfully run the fsck...Ch. 5 - Character devices typically transfer data more...Ch. 5 - What does the du /var command do? a. shows the...
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Which of the following statements are true?...Ch. 5 - Prob. 14RQCh. 5 - Which of the following statements regarding LVM...Ch. 5 - Prob. 16RQCh. 5 - You plug a USB flash memory drive into a system...Ch. 5 - Which command mounts all existing filesystems in...Ch. 5 - Prob. 19RQCh. 5 - Which command is used to format a partition on a...
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- On succeeding drives, attempts are made to store concurrent sections of a file. Is there a justification for why this is so important for magnetic disks? If SSDs are accessible, is it still essential to use them, or is it a waste of time? What causes this?arrow_forwardIt is only possible to use a certain filesystem to format a partition on a hard disc once; after that, all future partitions on the same drive are required to use the same filesystem. Is it correct, or do you disagree?arrow_forwardTrue/false: 1. One of the I/O module functions is command decoding 2. With multiple zoned recording, the amount of data that can be stored on the outer long track is the same as that can be stored on the inner short tracks, 3. Using Winchester head mechanism, the head is in a physical contact with the disk surface when it is in motion. 4. Scanning information at the same rate by rotating the disk at a fixed speed is known as the constant angular velocity. 5. The disadvantage of the software poll is that it is time consuming 6. When large volumes of data are to be moved, the most efficient technique is direct memory access (DMA). 7. In semiconductor memory, soft errors are permanent. 8. File organization on disk has no effect on I/O performance. 9. DRAMs are more densę than SRAMs 10 The areas between pits are called landsarrow_forward
- Operating systems typically store a file's blocks to disk in a consecutive fashion. It's crucial to accomplish this with magnetic drives because, without using them, do you really value SSDs? Justify this observation.arrow_forwardTo use the same filesystem on all the partitions on a hard disc drive after it has been formatted, all of the partitions must be on the same hard disc drive. It's either true or it's not.arrow_forwardAssume the boot record on your disc volume was corrupted. Which file system(s) would allow a backup copy of the boot record to be created?arrow_forward
- Imagine that the boot record of your disc volume is damaged. Which file system(s) may be used to create a backup of the boot record?arrow_forwardWhen a file is saved to disk, it is the responsibility of the operating system to ensure that the blocks are placed in the appropriate order. Why is it absolutely necessary that this be done while talking about magnetic disks? If solid-state drives (SSDs) were used instead, would it make a difference, or would it be irrelevant? What's the deal?arrow_forwardIn order for a hard disc drive to be functional after formatting, the filesystem must be used by all partitions on that hard disc drive. Is this statement true or false? explain yourself.arrow_forward
- It is the job of the operating system to arrange the blocks in the correct sequence when a file is written to disk. When discussing magnetic disks, why is this step absolutely necessary? Would it make any difference if solid-state drives (SSDs) were utilized instead, or is it moot either way? So, what gives?arrow_forwardWhen a file is saved to disc, it is the responsibility of the operating system to ensure that the data blocks are written in the right order. Is this a necessary step when talking about magnetic discs, and if so, why? If SSDs were used instead, would it make a difference, or is it irrelevant either way? So what gives here?arrow_forwardAfter a partition on a hard disk drive is formatted using a filesystem, all succeeding partitions must use the same filesystem. Is this correct or incorrect?arrow_forward
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