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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
Q517: Troubleshooting: What is 'bootloader (GRUB)'?
Q518: Scripting: Which statement best describes 'ssh key-based auth'?
Q519: Cloud: Which of the following best defines 'SaaS'?