You have configuration groups applied on your router.
Which command would you use to see all components of the interface hierarchy?
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A. B. C. D.C
The correct answer is option D - "show configuration interfaces | display detail".
Explanation: Junos OS allows you to create configuration groups, which are reusable and can be applied to multiple configurations. Configuration groups help simplify configuration tasks and reduce the chances of errors by reducing the amount of repetitive configuration tasks.
When you apply a configuration group, the configuration statements within the group are inherited by the interface hierarchy to which they are applied. The interface hierarchy includes physical interfaces, logical interfaces, and unit interfaces.
The command "show configuration interfaces | display detail" shows all components of the interface hierarchy and displays the complete configuration for each interface. The "display detail" option shows detailed information about the interfaces, including their inheritance and the configuration groups that have been applied to them.
Option A - "show configuration interfaces | display inheritance" would display only the configuration statements that are inherited by the interfaces, but it would not show the complete configuration for each interface.
Option B - "show configuration interfaces | display changed" would display only the configuration statements that have been changed from the default configuration.
Option C - "show configuration interfaces | display set" would display the configuration in set format, but it would not show the complete configuration for each interface.
Therefore, option D is the correct answer as it displays the complete configuration for each interface, including the inherited configuration statements and the configuration groups that have been applied.