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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
Q43: Windows Server: What is the main function of Active Directory Domain Services?
Q44: Networking: Which statement best describes OSI model layer 3 ?
Q45: Scripting: Which statement best describes 'bash shebang #!/bin/bash'?