Which of the following are traffic types which are not captured by VPC flow logs. Choose 3 answers from the options given below

Answer options:

A.DHCP traffic
B.IP traffic going to and from network interfaces
C.Traffic to and from 169.254.169.254
D.Traffic generated by instances when they contact the Amazon DNS server

Answer – A, C and D
The AWS documentation mentions the following on the types of traffic not captured by VPC flow logs
1. Traffic generated by instances when they contact the Amazon DNS server. If you use your own DNS server, then all traffic to that DNS server is logged.
2. Traffic generated by a Windows instance for Amazon Windows license activation.
3. Traffic to and from 169.254.169.254 for instance metadata.
4. DHCP traffic.
5. Traffic to the reserved IP address for the default VPC router
For more information on VPC flow logs captured traffic , please refer to the below link:
http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/flow-logs.html#flow-logs-basics