Amazon Web Services SOA-C01 Question Answer
A SysOps administrator recently launched an application consisting of web servers running on Amazon EC2 instances, an Amazon ElastiCache cluster communicating on port 6379, and an Amazon RDS tor PostgreSQL DB instance communicating on port 5432. The web servers are in the security group web-sg. the ElastiCache cluster is in the security group cache-sg. and the DB instance is in the security group database-sg.
The application fails on start, with the error message "Unable to connect to the database."
The rules in web-sg are as follows.
Which change should the SysOps administrator make to web-sg to correct the issue without compromising security?
Amazon Web Services SOA-C01 Summary
- Vendor: Amazon Web Services
- Product: SOA-C01
- Update on: Jul 27, 2025
- Questions: 263
