A company is load testing its three-tier production web application deployed with an AWS CloudFormation template on AWS. The Application team is making changes to deploy additional Amazon EC2 and AWS Lambda resources to expand the load testing capacity. A Database Specialist wants to ensure that the changes made by the Application team will not change the Amazon RDS database resources already deployed.
Which combination of steps would allow the Database Specialist to accomplish this? (Choose two.)

• A.Review the stack drift before modifying the template
• B.Create and review a change set before applying it
• C.Set a stack policy for the database resources
• D.Define the database resources in a nested stack
• E.Export the database resources as stack outputs

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A financial services company is developing a shared data service that supports different applications from throughout the company. A Database Specialist designed a solution to leverage Amazon ElastiCache for Redis with cluster mode enabled to enhance performance and scalability. The cluster is configured to listen on port 6379.
Which combination of steps should the Database Specialist take to secure the cache data and protect it from unauthorized access? (Choose three.)

• A.Enable in-transit and at-rest encryption on the ElastiCache cluster.
• B.Ensure the security group for the ElastiCache cluster allows all inbound traffic from itself and inbound traffic on TCP port 6379 from trusted clients only.
• C.Ensure the cluster is created with the auth-token parameter and that the parameter is used in all subsequent commands.
• D.Ensure the security group for the ElastiCache clients authorize inbound TCP port 6379 and port 22 traffic from the trusted ElastiCache cluster's security group.
• E.Create an IAM policy to allow the application service roles to access all ElastiCache API actions.
• F.Ensure that Amazon CloudWatch metrics are configured in the ElastiCache cluster.

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A user has a non-relational key-value database. The user is looking for a fully managed AWS service that will offload the administrative burdens of operating and scaling distributed databases. The solution must be cost- effective and able to handle unpredictable application traffic.
What should a Database Specialist recommend for this user?

• A.Create an Amazon DynamoDB table with provisioned capacity mode
• B.Create an Amazon DocumentDB cluster
• C.Create an Amazon DynamoDB table with on-demand capacity mode
• D.Create an Amazon Aurora Serverless DB cluster

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A company is planning to close for several days. A Database Specialist needs to stop all applications along with the DB instances to ensure employees do not have access to the systems during this time. All databases are running on Amazon RDS for MySQL.
The Database Specialist wrote and executed a script to stop all the DB instances. When reviewing the logs, the Database Specialist found that Amazon RDS DB instances with read replicas did not stop.
How should the Database Specialist edit the script to fix this issue?

• A.Stop the source instances before stopping their read replicas
• B.Delete each read replica before stopping its corresponding source instance
• C.Stop the read replicas before stopping their source instances
• D.Use the AWS CLI to stop each read replica and source instance at the same time

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A company is using Amazon with Aurora Replicas for read-only workload scaling. A Database Specialist needs to split up two read-only applications so each application always connects to a dedicated replic a. The Database Specialist wants to implement load balancing and high availability for the read-only applications.
Which solution meets these requirements?

• A.Use a specific instance endpoint for each replica and add the instance endpoint to each read-only application connection string.
• B.Use reader endpoints for both the read-only workload applications.
• C.Use a reader endpoint for one read-only application and use an instance endpoint for the other read-only application.
• D.Use custom endpoints for the two read-only applications.

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