What is a known issue with Energy Efficient Ethernet (EEE)?

The correct answer highlights a significant concern with Energy Efficient Ethernet (EEE). While EEE is designed to reduce power consumption during periods of low data transmission by putting Ethernet ports into a low-power sleep mode, this feature can lead to data interruptions. When a device transitions between power-saving modes and active transmission, there can be a lag in data delivery or even lost packets until the link stabilizes again. This phenomenon can be especially problematic in environments that require consistent and reliable data streams, such as audio and video applications over networks.

Understanding this aspect is crucial for network designers and engineers, as it emphasizes the balance between energy savings and the need for maintained performance and reliability in data transfer. Organizations need to evaluate whether the potential power savings from EEE are worth the risk of interruptions, particularly in time-sensitive applications.