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Exam 220-1101 topic 1 question 334 discussion

Actual exam question from CompTIA's 220-1101
Question #: 334
Topic #: 1
[All 220-1101 Questions]

A technician needs to provide data redundancy on a user’s workstation. Which of the following RAID levels provides redundancy with the FEWEST disks?

  • A. RAID 0
  • B. RAID 1
  • C. RAID 5
  • D. RAID 10
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Suggested Answer: B 🗳️
by Raffaelloo at Nov. 21, 2023, 8:15 p.m.

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Bhrino
7 months, 4 weeks ago
Selected Answer: B
simple way to thing about is RAID 0 - speed / striping RAID 1 - redundancy RAID 5 - Parity RAID 6 - Double Parity RAID 10 - raid 1+0 it is in order from least to most expensive
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Raffaelloo
1 year, 1 month ago
Selected Answer: B
The next-simplest RAID 1 level uses mirroring. This takes all data written to one drive and writes it in parallel to a second drive. This provides the highest redundancy since there is a 1-for-1 copy of all data written. It also provides very high read performance, as both disks can be read in parallel
upvoted 2 times
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