NISTNIST CSFProtect FunctionEASYFree question
What is network segmentation and how does it support the Protect function?
- A.Segmenting network traffic by time of day
- B.Splitting network cables into smaller pieces
- C.Creating separate networks for each department's social media
- D.Dividing the network into separate segments that limit lateral movement, containing potential breaches and reducing the impact of compromised systems
Why D is correct
Network segmentation isolates different network zones, preventing an attacker who compromises one segment from easily accessing others. This limits breach scope and protects critical systems.
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