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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
Q760: Scripting: Which statement best describes 'cron vs systemd timers'?
cron schedules periodic jobs; systemd timers are unit-based
Related to bash shebang #!/bin/bash
Related to idempotent scripts
Related to error exit codes
Related to ssh key-based auth
Q761: Linux: What is the primary purpose of the 'crontab' command?
control the systemd system and service manager
change file mode bits
execute a command as another user
mount a filesystem
schedule periodic background jobs
Q762: Virtualization: What does 'virtual NIC' mean?
software-defined network interface for VM
Related to vm snapshot
Related to hypervisor type 1
Related to vmotion/live migration
Related to container vs vm
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