I'm with Kara on this one. C is the clear winner. Directional data flow is the heart of firewall security zones. Gotta know that stuff cold for the exam.
A) The DMZ security zone solves the problem of server placement well, and this security area can place devices that need to provide network services to the outside world.
A is not bad, but the DMZ is a middle-ground zone, not the highest security area. Plus, B is just plain wrong. Local zone as the highest priority? Come on, that's a rookie mistake.
A is not bad, but the DMZ is a middle-ground zone, not the highest security area. Plus, B is just plain wrong. Local zone as the highest priority? Come on, that's a rookie mistake.
D) Normally, the two communicating parties must exchange messages, that is, there are messages transmitted in both directions between security domains.
A) The DMZ security zone solves the problem of server placement well, and this security area can place devices that need to provide network services to the outside world.
Whoa, D is pretty spot on too! Normally, the two communicating parties must exchange messages in both directions. That's how firewalls monitor traffic flow.
A) The DMZ security zone solves the problem of server placement well, and this security area can place devices that need to provide network services to the outside world.
The correct answer is C. Data flows between security domains are directional, including Inbound and Outbound. This is a fundamental concept of firewall security zones.
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