You are planning to use VPC Flow logs to monitor the traffic to EC2 Instances in your VPC. Which of the following types of traffic will not get monitored by VPC Flow logs? Choose 2 answers from the options given below.

Answer options:

A.Instances that have multiple ENI’s
B.Traffic that flows to Amazon DNS servers
C.Instances that have Elastic IP’s assigned to the ENI
D.Requests for instance metadata

Answer – B and D
The AWS Documentation mentions the following.
The Flow Logs will not include any of the following traffic.
Traffic to Amazon DNS servers, including queries for private hosted zones.
Windows license activation traffic for licenses provided by Amazon.
Requests for instance metadata.
DHCP requests or responses.
Based on the above information, all other information becomes invalid
For information on VPC Flow Logs, please visit the below URL
https://aws.amazon.com/blogs/aws/vpc-flow-logs-log-and-view-network-traffic-flows/