These arrays inherently divide and replicate data among multiple physical drives, and increase performance and redundancy by including spare disks. This technology is often implemented using redundant arrays of independent disks (RAID) schemes, which are typically realized through hardware disk array controllers. A. Storage Area Network (SAN) B. Network-Attached Storage (NAS) C. Hard Disk Arrays D. Hot-Swappable Hard Disks

there is technology

i guess the correct option is letter a.

use contrasting font sizes, but the same font style

cyberstalking on the internet means to harass or stalk someone, a group, or an organization. this may include defamation, slander, and false accusations. in many jurisdictions, cyberstalking is a criminal offense. 

on the other hand, cyberbullying focuses more on intimidating, threatening or harassing someone. harmful bullying include posting threats, rumors, and sexual remarks.