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Amazon Web Services DBS-C01 Actual Questions

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Total 324 questions
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AWS Certified Database - Specialty Questions and Answers

Question 61

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.)

Options:

A.

Review the stack drift before modifying the template

B.

Create and review a change set before applying it

C.

Export the database resources as stack outputs

D.

Define the database resources in a nested stack

E.

Set a stack policy for the database resources

Question 62

A company uses Microsoft SQL Server on Amazon RDS in a Multi-AZ deployment as the database engine for its application. The company was recently acquired by another company. A database specialist must rename the database to follow a new naming standard.

Which combination of steps should the database specialist take to rename the database? (Choose two.)

Options:

A.

Turn off automatic snapshots for the DB instance. Rename the database with the rdsadmin.dbo.rds_modify_db_name stored procedure. Turn on the automatic snapshots.

B.

Turn off Multi-AZ for the DB instance. Rename the database with the rdsadmin.dbo.rds_modify_db_name stored procedure. Turn on Multi-AZ Mirroring.

C.

Delete all existing snapshots for the DB instance. Use the rdsadmin.dbo.rds_modify_db_name stored procedure.

D.

Update the application with the new database connection string.

E.

Update the DNS record for the DB instance.

Question 63

A company is moving its fraud detection application from on premises to the AWS Cloud and is using Amazon Neptune for data storage. The company has set up a 1 Gbps AWS Direct Connect connection to migrate 25 TB of fraud detection data from the on-premises data center to a Neptune DB instance. The company already has an Amazon S3 bucket and an S3 VPC endpoint, and 80% of the company’s network bandwidth is available.

How should the company perform this data load?

Options:

A.

Use an AWS SDK with a multipart upload to transfer the data from on premises to the S3 bucket. Use the Copy command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.

B.

Use AWS Database Migration Service (AWS DMS) to transfer the data from on premises to the S3 bucket. Use the Loader command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.

C.

Use AWS DataSync to transfer the data from on premises to the S3 bucket. Use the Loader command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.

D.

Use the AWS CLI to transfer the data from on premises to the S3 bucket. Use the Copy command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.

Question 64

A manufacturing company’s website uses an Amazon Aurora PostgreSQL DB cluster.

Which configurations will result in the LEAST application downtime during a failover? (Choose three.)

Options:

A.

Use the provided read and write Aurora endpoints to establish a connection to the Aurora DB cluster.

B.

Create an Amazon CloudWatch alert triggering a restore in another Availability Zone when the primary Aurora DB cluster is unreachable.

C.

Edit and enable Aurora DB cluster cache management in parameter groups.

D.

Set TCP keepalive parameters to a high value.

E.

Set JDBC connection string timeout variables to a low value.

F.

Set Java DNS caching timeouts to a high value.

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Total 324 questions
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