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A network security engineer is designing a three-tier web architecture that will allow a third-party vendor to perform the following audit functions within the organization's cloud environment * Review communication between all infrastructure endpoints * Identify unauthorized and malicious data patterns * Perform automated, risk-mitigating configuration changes Which of the following should the network security engineer include in the design to address these requirements?
Correct Answer: C
Traffic mirroring, also known as port mirroring or SPAN (Switched Port Analyzer), involves creating a copy of the actual network traffic for independent analysis. This would allow the third-party vendor to review communications between infrastructure endpoints, identify unauthorized and malicious data patterns, and perform automated, risk-mitigating configuration changes without impacting the live environment. This is used in network intrusion detection systems (NIDS) and for traffic analysis purposes.