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SOA-C02 · Question #145

SOA-C02 Question #145: Real Exam Question with Answer & Explanation

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Submitted by tunde_lagos· Mar 30, 2026

Question

A new application runs on Amazon EC2 instances and accesses data in an Amazon RDS database instance. When fully deployed in production, the application fails. The database can be queried from a console on a bastion host. When looking at the web server logs, the following error is repeated multiple times: "** Error Establishing a Database Connection Which of the following may be causes of the connectivity problems? (Choose two.)

Options

  • AThe security group for the database does not have the appropriate egress rule from the
  • BThe certificate used by the web server is not trusted by the RDS instance.
  • CThe security group for the database does not have the appropriate ingress rule from the web
  • DThe port used by the application developer does not match the port specified in the RDS
  • EThe database is still being created and is not available for connectivity.

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