What is the classification of a fill device when a key has been loaded?

When a fill device has a key loaded into it, it becomes classified as soon as that key is inserted. This classification is based on the sensitivity and security level of the information that the key accesses or protects. Essentially, fill devices are used to load keys into cryptographic devices, and the classification of the fill device mirrors the classification level of the key it holds or loads.

For instance, if the key being loaded is classified as SECRET, then the fill device immediately adopts that same classification to ensure that the sensitive information and security protocols tied to the key are maintained. This is critical for safeguarding national security and ensuring proper handling procedures for devices that manage classified information.

In contrast, the other options present scenarios that do not accurately reflect the classification system of fill devices. The classifications rely heavily on the current state of the keys being handled, specifically how they relate to the sensitivity of the information they are designed to protect. Thus, recognizing that a fill device's classification is contingent upon the key it contains is crucial in understanding the broader context of information security.