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Answer: Implement a comprehensive security strategy that addresses the unique challenges of SDN, including securing the SDN controller, encrypting network traffic, and ensuring robust access controls, while also considering cost-effectiveness.
The BEST approach to securing an SDN environment involves a comprehensive strategy that addresses its unique challenges, such as the centralization of control in the SDN controller and the potential for targeted attacks. This includes securing the SDN controller with strong access controls, encrypting network traffic to protect data in transit, and implementing scalable security measures that do not disproportionately increase costs. Option A is incorrect because it neglects the security of the SDN controller and underlying infrastructure, which are critical components. Option B is incorrect because relying solely on default security settings may not adequately protect against sophisticated threats. Option D is incorrect because SDN environments have distinct characteristics and vulnerabilities that require tailored security measures beyond those used in traditional networks.
Author: LeetQuiz Editorial Team
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Your organization is planning to implement a new software-defined networking (SDN) solution to enhance network flexibility and efficiency. As a cybersecurity architect, you are tasked with specifying the security requirements for the SDN environment. The solution must comply with industry standards, ensure scalability, and maintain high availability without significantly increasing costs. Considering these constraints, what is the BEST approach to secure the SDN environment? (Choose one option)
A
Focus exclusively on encrypting network traffic within the SDN environment, disregarding the security of the SDN controller and underlying infrastructure to minimize costs.
B
Assume the SDN controller's default security settings are sufficient for all scenarios, avoiding any additional security configurations to ensure ease of deployment.
C
Implement a comprehensive security strategy that addresses the unique challenges of SDN, including securing the SDN controller, encrypting network traffic, and ensuring robust access controls, while also considering cost-effectiveness.
D
Apply the same security measures used in traditional networking environments to the SDN solution, ignoring the distinct architectural differences and potential vulnerabilities specific to SDN.
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