A Developer is leveraging a Border Gateway Protocol (BGP)-based AWS VPN connection to connect from on-premises to Amazon EC2 instances in the Developer’s account. The Developer is able to access an EC2 instance in subnet A, but is unable to access an EC2 instance in subnet B in the same VPC.
Which logs can the Developer use to verify whether the traffic is reaching subnet B?

A. VPN logs
B. BGP logs
C. VPC Flow Logs
D. AWS CloudTrail logs