Select true statements about 'Requires' option of a unit-file:

Question

Answer

Units listed in this option will be started if the configuring unit starts

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If units listed in this options fail to start, then this has no impact on a startup process of the configuring unit.

Answer

This option is used by 'systemctl enable / disable' commands

Answer

If one of units listed in this option gets deactivated, then the configuring unit will be deactivated too.

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This option influences the order in which services are started

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