Topic 1 Question 248
A company needs to capture and log traffic for Nitro-based Amazon EC2 instances to comply with regulations. The company's network team has prepared a solution that enables VPC traffic mirroring and sends traffic to a second set of EC2 instances in an Auto Scaling group.
The network team has added a Network Load Balancer (NLB) in front of the EC2 instances the traffic will be sent to. However, the solution does not send any mirrored traffic to the EC2 instances that are behind the NLB.
How should the network team configure traffic mirroring to use the NLB endpoint?
Select the NLB as a source for traffic mirroring. Use a UDP listener.
Select the NLB as a target for traffic mirroring. Use a TCP listener and a UDP listener.
Select the NLB as a target for traffic mirroring. Use a TCP listener.
Select the NLB as a target for traffic mirroring. Use a UDP listener.
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- 正解だと思う選択肢: D
D: VxLAN UDP Port 4789 is used for traffic mirroring
👍 4c1193d42025/01/06 - 正解だと思う選択肢: D
he answer is D because:
Traffic mirroring requires UDP for VXLAN encapsulation NLB must be configured as target, not source Single UDP listener is sufficient Matches AWS traffic mirroring architecture requirements
👍 2woorkim2025/01/11
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