Amazon
SOA-C02 · Question #155
A company hosts a web application on an Amazon EC2 instance in a production VPC. Client connections to the application are failing. A SysOps administrator inspects the VPC flow logs and finds the…
The correct answer is C. The network ACL is blocking HTTPS traffic. https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs-records-examples.html#flow-log- example-accepted-rejected
Submitted by hassan_iq· Mar 30, 2026Networking and Content Delivery
Question
A company hosts a web application on an Amazon EC2 instance in a production VPC. Client connections to the application are failing. A SysOps administrator inspects the VPC flow logs and finds the following entry:
What is a possible cause of these failed connections?
Options
- AA security group deny rule is blocking traffic on port 443.
- BThe EC2 instance is shut down.
- CThe network ACL is blocking HTTPS traffic.
- DThe VPC has no internet gateway attached.
How the community answered
(20 responses)- A5% (1)
- B15% (3)
- C75% (15)
- D5% (1)
Explanation
https://docs.aws.amazon.com/vpc/latest/userguide/flow-logs-records-examples.html#flow-log- example-accepted-rejected
Topics
#VPC flow logs#network ACL#REJECT action#traffic troubleshooting
Community Discussion
No community discussion yet for this question.