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A network security architect is working on capturing network traffic to support the following objectives in the pictured network: - Capture relevant traffic to share with a threat intelligence vendor. - Collect only traffic that could indicate a potential network intrusion. - Minimize the budget and resource requirements of the collected traffic. Which of the following is the best way for the network security architect to capture network traffic?
Correct Answer: B
Configuring a SPAN (port mirroring) session on the core switch allows the architect to mirror selected network traffic to the IDS service for monitoring and analysis. This approach enables capturing only specific traffic flows relevant to potential intrusion activity by filtering VLANs or interfaces, which reduces the volume of collected data. SPAN functionality is built into most switches, making it a cost-effective solution that minimizes additional hardware and operational resources while still providing visibility into traffic that could indicate network attacks.