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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
Q508: Cloud: Which of the following best defines 'IaaS'?
Q509: Linux: What is the primary purpose of the 'chmod' command?
Q510: Monitoring: Which best describes 'alerting thresholds'?