LFCA Question #56: Real Exam Question with Answer & Explanation

Question

On systemd-based Linux systems, what are runlevels called?

Options

• AServices
• BTargets
• CUnits
• DModes

Explanation

This question asks for the systemd equivalent of traditional runlevels in Linux.

Common mistakes.

• A. "Services" are individual daemons or applications managed by systemd, not the collective states akin to runlevels.
• C. "Units" are the fundamental objects systemd manages (services, sockets, devices, mounts, etc.), and targets are a type of unit, but not the general term for runlevels.
• D. "Modes" is a generic term and not the specific systemd terminology for runlevels.

Concept tested. systemd concepts (targets, runlevels)

Reference. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrator_guide/chap-managing_services_with_systemd#sect-Managing_Services_with_systemd-Runlevels

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