A systems administrator wants to check if the ntpd service is configured to start on startup. Which of the following commands will show that information when run?

Question

Options

• Asystemctl is-active ntpd.service
• Bsystemctl stop ntpd.service
• Csystemctl is-enabled ntpd.service
• Dsystemctl start ntpd.service

• A
  4% (1)
• B
  4% (1)
• C
  93% (26)

Explanation

systemctl is-enabled ntpd.service checks whether a service is configured to start automatically at boot by querying its "enabled" state in the init system - exactly what the administrator needs. Option A (is-active) only tells you if the service is currently running, not whether it will start on boot. Option B (stop) actively stops the running service, and Option D (start) actively starts it - both are operational commands, not status checks.

Memory tip: Think of the word pair "enabled = boot" vs "active = now". If you want to know about startup behavior, reach for is-enabled; if you want to know about the current moment, reach for is-active.

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