220-1201 Exam Dumps | A developer wants to ensure their critical data is protected from hard drive failure. Their workstation

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CompTIA.220-1201.v2026-03-07.q152
Question 128

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Question 128/152

A developer wants to ensure their critical data is protected from hard drive failure. Their workstation has two hard drives. Which RAID level should they use?

A. RAID 0

B. RAID 1

C. RAID 5

D. RAID 10

Correct Answer: B

RAID 1 is known as mirroring. It duplicates all data to both drives simultaneously, providing redundancy in the event of a single drive failure. CompTIA A+ teaches that RAID 1 is ideal when reliability is the priority and only two drives are available exactly matching this scenario.
RAID 0 offers no redundancy. RAID 5 requires three or more drives. RAID 10 requires four or more drives.
Since the workstation has only two drives, RAID 1 is the only RAID configuration providing data protection and is heavily featured in CompTIA's coverage of RAID technologies, their requirements, and their purposes in fault tolerance.

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