A New Application Runs on Amazon EC2 Instances and Accesses

question 281

Multiple Choice

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.)

• A) The security group for the database does not have the appropriate egress rule from the database to the web server.
• B) The certificate used by the web server is not trusted by the RDS instance.
• C) The security group for the database does not have the appropriate ingress rule from the web server to the database.
• D) The database is still being created and is not available for connectivity.

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Definitions:

Current Month

Refers to the ongoing or present month, in the context of financial or operational reporting.

Underapplied Overhead

A situation where the allocated manufacturing overhead costs are less than the actual overhead expenses incurred.

Current Month

This refers to the month that is presently occurring.

Adjusted Cost

Adjusted cost refers to the alteration of the original cost of an asset to account for depreciation, improvements, or impairments, providing a more accurate value of the asset over time.