Checking a service's boot activation | LinuC Level 1 102 Exam original practice question

1.10.2Basic

Check whether web.service is enabled for boot without starting, stopping, or reloading it.

Which command is appropriate?

Hint 1: Focus on security boundaries

Separate protected account data, service availability directives, and packet-filtering policy before comparing the choices.

Hint 2: Key terms

Review the short definitions of protected account data, service controls, and firewall layers involved.

is-enabled: A systemctl query for whether a unit is configured for boot activation.
is-active: A systemctl query for the unit's current runtime state.
Boot activation: The configuration that determines whether a unit starts during boot.
Runtime state: The current running or stopped state of the unit process.
Read-only query: A status lookup that does not change a unit or its configuration.

Detailed explanation

Incorrectsystemctl is-active web.service

Incorrect. is-active checks whether the service is currently running.

Incorrectsystemctl start web.service

Incorrect. start changes runtime state.

Correctsystemctl is-enabled web.service

Correct. It reports whether the unit is enabled.

Incorrectsystemctl reload web.service

Incorrect. reload asks a running service to reread configuration.

An example you can run in a temporary verification environment.

systemctl --help 2>&1 | grep -E -- 'is-enabled|is-active' | head -n 2

is-enabledとis-activeの説明行

Foundation review

Sensitive authentication data stored separately from ordinary account records.

Whether a service can start automatically or be activated on demand.

A host firewall rule set that permits or rejects network packets.

Question IDKL-102-1139

Environmentsystemd systemctl help / unit照会なし

Last technical review2026-08-20

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