Which AWS service or feature is used to troubleshoot network connectivity issues between Amazon EC2 instances?
AWS Certificate Manager (ACM)
Internet gateway
VPC Flow Logs
AWS CloudHSM
Explanations:
AWS Certificate Manager (ACM) is used for managing SSL/TLS certificates, not for troubleshooting network connectivity.
An Internet gateway enables internet access for VPC resources but does not help in troubleshooting connectivity issues.
VPC Flow Logs capture network traffic information for VPCs, allowing for troubleshooting of connectivity issues.
AWS CloudHSM is a hardware security module for cryptographic operations, unrelated to network troubleshooting.
As I recall, the answer is:
VPC Flow Logs