Which answer best describes the meaning of the term configuration drift?
- Changes to a single device’s configuration over time versus that single device’s original configuration
- Larger and larger sections of unnecessary configuration in a device
- Changes to a single device’s configuration over time versus other devices that have the same role
- Differences in device configuration versus a centralized backup copy
Explanation: Devices with the same role in an enterprise should have a very similar configuration. When engineers make unique changes on individual devices—different changes from those made in the majority of devices with that same role—those devices’ configurations become different than the intended ideal configuration for every device with that role. This effect is known as configuration drift. Configuration management tools can monitor a device’s configuration versus a file that shows the intended ideal configuration for devices in that role, noting when the device configuration drifts away from that ideal configuration.
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