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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
Q409: Backup/DR: What does 'RTO' refer to?
Q410: Networking: Which statement best describes OSI model layer 2 ?
Q411: Scripting: Which statement best describes 'ssh key-based auth'?