Capturing the MAC layer is doable but needs an explicit configuration. Capturing the MAC layer is mandatory to identify attacks like ARP poisoning. For the definite categories of industrial control networks that execute right on top of the Ethernet layer, capturing traffic involves adding a node and could change the real-time conventions. Understanding the information available in the MAC layer requires what?.
Confidentiality based on the __________ of data, is meant to provide a way to control the extent to which an adversary can make inferences about users’ sensitive information