A.IACS using equipment designed for measurement and control

B.IACS developing into a network of air-gapped systems

C.IACS evolving into a number of closed proprietary systems

D.IACS becoming integrated with business and enterprise systems

A.Only the source, destination, and ports in the header of each packet

B.The packet structure and sequence

C.The relationships between packets in a session

D.Every incoming packet up to the application layer

A.To define a security management organization

B.To describe a process for risk management

C.To define a product development evaluation methodology

D.To describe what constitutes a secure product

A.5

B.3

C.2

D.4

A.Controllers, sensors, transmitters, and final control elements

B.Wiring, routers, switches, and network management devices

C.Ferrous, thickwall, and threaded conduit including raceways

D.Power lines, cabinet enclosures, and protective grounds