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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
Q724: Virtualization: What does 'container vs VM' mean?
Q725: Monitoring: Which best describes 'ELK stack'?
Q726: Security: What does the term 'firewall' refer to in system administration?