Which of the following is MOST helpful in defining an early-warning threshold associated with insufficient network bandwidth''

Average bandwidth usage provides a realistic baseline for normal network activity, enabling the establishment of a threshold (e.g., 70-80% of average) that, when consistently exceeded, signals a sustained increase in demand and serves as an early warning for potential bandwidth insufficiency before it becomes critical.

Peak bandwidth usage represents intermittent spikes and is less suitable for an early-warning threshold as these temporary bursts do not necessarily indicate a sustained capacity issue requiring proactive intervention.

Total bandwidth usage refers to the network's maximum capacity, not its typical consumption patterns, and therefore is not useful for setting a dynamic early-warning threshold based on current usage trends.

While bandwidth used during business hours is important, 'average bandwidth usage' offers a broader, more smoothed baseline across typical operational periods, making it more robust for identifying gradual, sustained increases indicative of future capacity problems.