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ANS-C01 · Question #187

A company uses multiple AWS accounts and VPCs in a single AWS Region. The company must log all network traffic for Amazon EC2 instances and Amazon RDS databases. The company will use the log…

The correct answer is C. Configure VPC flow logs with additional custom format fields Store the logs in Amazon S3. https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html#flow-logs-custom

Submitted by yaw92· Mar 6, 2026Secure AWS Networks

Question

A company uses multiple AWS accounts and VPCs in a single AWS Region. The company must log all network traffic for Amazon EC2 instances and Amazon RDS databases. The company will use the log information to monitor and identify traffic flows in the event of a security incident. The information must be retained for 12 months but will be accessed infrequently after the first 90 days. The company must be able to view metadata that includes the vpc-id, subnet-id: and tcp- flags fields. Which solution will meet these requirements at the LOWEST cost?

Options

  • AConfigure VPC flow logs with the default fields Store the logs in Amazon CloudWatch Logs.
  • BConfigure Traffic Mirroring on all AWS resources to point to a Network Load Balancer that will
  • CConfigure VPC flow logs with additional custom format fields Store the logs in Amazon S3.
  • DConfigure VPC flow logs with additional custom format fields Store the logs in Amazon

How the community answered

(54 responses)
  • A
    19% (10)
  • B
    11% (6)
  • C
    65% (35)
  • D
    6% (3)

Explanation

https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs.html#flow-logs-custom

Topics

#VPC Flow Logs#S3 Storage#Network Monitoring#Cost Optimization

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