Which two are possible solutions to control which devices can communicate between industrial zones? (Choose two)

Which two are possible solutions to control which devices can communicate between industrial zones? (Choose two)
A . Use per zone private IP addressing and deploy NAT to control traffic between zones
B . Put access control lists on switches connecting industrial zones to control traffic
C . Attach each zone to a firewall to control intra-zone traffic
D . Deploy QoS traffic shaping to limit the volume of traffic between industrial zones
E . Deploy an IDS system between the zones to control intra-zone traffic

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Answer: B,C