Question

Where performance and reliability are both important, RAID level ____ is used.

a) 0
b) 1
c) 2
d) 0+1

Answer 1

RAID level 1 is used where both performance and reliability are crucial in storage systems. Option B is the answer.

Step-by-step explanation:

RAID (Redundant Array of Independent Disks) configurations are employed to enhance data storage performance, reliability, or both. Among the options provided, RAID level 1 is particularly designed for situations where both performance and reliability are essential. In RAID 1, also known as mirroring, data is duplicated on two separate drives.

This redundancy ensures reliability because if one drive fails, the data remains accessible from the mirrored drive. While RAID 0 and RAID 0+1 focus on performance through striping, they lack the same level of redundancy as RAID 1. RAID level 2 is not commonly used in modern systems.

Option B is the answer.