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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
Q403: Security: What does the term 'defense in depth' refer to in system administration?
Q404: Networking: Which statement best describes VLAN ?
Q405: Scripting: Which statement best describes 'ssh key-based auth'?