Networks are monitored by security personnel and supervised by who set s up accounts and passwords f...........

Explanation:

Answer: D. Network administrators

Network administrators design, manage, and maintain technological networks. They work within organizations and government agencies to oversee local area networks, wide area networks, network segments, and other data communication systems as needed.

Network administrators provide support and oversight alike, working closely with colleagues to explain how to use data storage and communication networks and ensure efficiency. Often part of a larger, computer-related operational staff, network administrators may supervise computer support and computer systems specialists.