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System Administrator
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
Quiz Questions
Q250: Linux: What is the primary purpose of the 'crontab' command?
change file owner and group
mount a filesystem
schedule periodic background jobs
execute a command as another user
report process status
Q251: Virtualization: What does 'virtual NIC' mean?
software-defined network interface for VM
Related to vmotion/live migration
Related to hypervisor type 1
Related to container vs vm
Related to hypervisor type 2
Q252: Scripting: Which statement best describes 'cron vs systemd timers'?
Related to configuration management (ansible)
Related to bash shebang #!/bin/bash
Related to idempotent scripts
Related to error exit codes
cron schedules periodic jobs; systemd timers are unit-based
