Explanation:RAID level 1 refers to disk mirroring with block striping. 10. ______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
A. RAID level 1
B. RAID level 2
C. RAID level 5
D. RAID level 3
Answer:A
Explanation:RAID level 1 refers to disk mirroring with block striping. 10. ______________ which increases the number of I/O operations needed to write a single logical block, pays a significant time penalty in terms of write performance.
A. RAID level 1 B. RAID level 2 C. RAID level 5 D. RAID level 3
Explanation:In level 5, all disks can participate in satisfying read requests, unlike RAID level 4, where the parity disk cannot participate, so level 5 increases the total number of requests that can be met in a given amount of time. Sanfoundry Global Education & Learning Series – Database Management System.