`
A system administrator (or sysadmin) is an IT professional responsible for the maintenance, configuration, and reliable operation of an organization's computer systems, including servers, operating systems, software, and networks
Q880: Virtualization: What does 'hypervisor type 2' mean?
Q881: Networking: Which statement best describes OSI model layer 3 ?
Q882: Security: What does the term 'certificate authority' refer to in system administration?