________ is a technology in which extra copies of data are stored on two or more hard drives to ensure that critical data is not lost.
A) Just a bunch of disks (JBOD)
B) Redundant array of independent disks (RAID)
C) Single large expensive disks (SLED)
D) Basic input output systems (BIOS)
E) Switched port analyzers (SPAN)

Question

Quizplus · Accepted Answer

Redundant array of independent disks (RAID) is a technology in which extra copies of data are stored on two or more hard drives to ensure that critical data is not lost. JBOD, SLED, BIOS, and SPAN do not provide data redundancy.

________ Is a Technology in Which Extra Copies of Data