Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)
10th Edition
ISBN: 9780357108376
Author: Jean Andrews, Joy Dark, Jill West
Publisher: Cengage Learning
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Expert Solution & Answer
Chapter 5, Problem 6TC
Explanation of Solution
Given:
RAID arrays.
To find: The RAID technique which does not lose data.
Solution:
RAID...
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Answer the following regarding RAID levels.a. Before adding the redundancy data, our RAID drive has 4 disk drives. If we choose RAID 1, how many extra drives do we need to add to store redundancy? RAID 5? RAID 6?b. We decide to use RAID 0 because we want our RAID drive to support multiple accesses as much as possible (that is, multiple different processes accessing disk simultaneously). Should we use small stripes or large stripes? Explain.c. RAID 4 is not used, why not? What RAID level would we use in place of RAID 4?
8.
Hardware RAID implementations permit _________; that is, faulty disks can be removed and replaced by new ones without turning power off.
a.
Scrapping
b.
Swapping
c.
Hot swapping
d.
None of the mentioned
It's possible that the amount of free space on a hard disc is affected by how often live backups are performed using RAID. Is it still advisable to create a backup if doing so eats up half of your available disc space? Which RAID setup should a home computer have to prevent hard drives from failing due to frequent power outages?
Chapter 5 Solutions
Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)
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Similar questions
- Which of the following RAID levels is not fault tolerant?a. RAID 0b. RAID 1c. RAID 4d. RAID 5arrow_forwardHi. What is the repair mechanism of RAID 0,1,5 and 10 when one or more drive failed? Thanks Mohammadarrow_forward2. Which level of RAID refers to disk mirroring with block striping? a. RAID level 1 b. RAID level 2 c. RAID level 0 d. RAID level 3arrow_forward
- Which of the following statements about RAID 1 are correct? Check all that apply. Group of answer choices a. Increased fault tolerance compared to a single disk or RAID 0 b. Reduced cost per GB c. Increased write performance compared to a single disk d. Increased read performance compared to a single diskarrow_forwardWhich of these benefits does a RAID 0 storage system provide? Check all that apply. Group of answer choices a. Fault Tolerance b. Better read performance compared to a single disk c. Increased write performance compared to a single disk d. Decreased cost of storage per GB compared to a single diskarrow_forwardIt's possible that the use of RAID to do live backups of physical hard drives might have an effect on the amount of actual storage space that's accessible on a hard disc. Is it still desirable to create a backup if doing so involves using up 50 percent of the available space on the disc? In order to prevent the hard disks on a home computer from being corrupted as a result of the frequent loss of power, which RAID configuration is the most effective to use?arrow_forward
- How much, if any, data can be retrieved from a failed backup that was created using double parity in RAID systems?arrow_forwardWhile RAID may be used to provide live backups of physical hard drives, doing so might reduce the usable capacity of the backed-up disks. Do you think having a backup is important enough to warrant sacrificing half of your disk space? Which RAID setup is best for a home computer to protect its hard drives from failure caused by frequent power outages?arrow_forwardWhich of the following statements about RAID is correct? Group of answer choices a. All RAID configurations provide fault tolerance for up to one disk failure b. A RAID 1 configuration of 4 disks has higher storage capacity than a RAID 0 configuration c. RAID 5 allows up to two disk failures d. During a RAID 5 disk failure, read performance is not impacted e. A RAID 1 configuration of four 1TB disks has a storage capacity of 2TBarrow_forward
- The storage is classified into a) non volatile and b) volatile; give one example for each one and discuss the difference between the given examples based on : a) capacity b) speed c) cost State either the Dir command is kernal or shell; explain your answerarrow_forwardA method for doing live backups of physical hard drives is to set up a RAID array, albeit doing so will lower the hard drive's capacity. Would you rather have backup at the cost of using up half your disk space, as an alternative? Which kind of RAID is the best option for a home computer system that often experiences power outages that might cause hard disk failures?arrow_forwardAlthough RAID may be utilised to enable live backups of physical hard drives, it is possible that doing so will restrict the amount of space that can be used by the backed-up discs. Do you believe that it is necessary to sacrifice half of your disc space in order to ensure that you always have a backup? Which configuration of RAID should be used to safeguard the hard discs of a home computer that has frequent interruptions in its power supply?arrow_forward
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