A cybersecurity analyst is reviewing the network infrastructure of an organization that plans to implement network segmentation in order to improve security and performance. The organization has expressed interest in the ability to rapidly change network configurations in response to emerging threats. Which networking approach should the analyst recommend to meet the organization's needs?
Implementation of VLANs to segment the network traffic
Software-defined networking
Physical network segmentation by installing additional hardware firewalls
Ensuring traditional layered security with strict access control lists
The correct answer is Software-defined networking because it allows networks to be configured dynamically through software controls, enabling rapid changes and segmentation without requiring physical changes to the network. This agility is preferable in a security context, as it allows an organization to swiftly adapt to new threats or security demands. VLANs, while offering segmentation, do not provide the same level of agility in reconfiguring network traffic flows. Traditional layered security and physical network segmentation are static and do not offer the flexibility to rapidly change configurations as SDN does.
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What is Software-Defined Networking (SDN)?
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How do VLANs work for network segmentation?
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