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Amazon Web Services DBS-C01 Exam With Confidence Using Practice Dumps

Exam Code:
DBS-C01
Exam Name:
AWS Certified Database - Specialty
Certification:
AWS Certified Database
Vendor:
Amazon Web Services
Questions:
324
Last Updated:
Apr 30, 2025
Exam Status:
Stable
Amazon Web Services DBS-C01

DBS-C01: AWS Certified Database Exam 2025 Study Guide Pdf and Test Engine

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AWS Certified Database - Specialty Questions and Answers

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Question 1

A company has a heterogeneous six-node production Amazon Aurora DB cluster that handles online transaction processing (OLTP) for the core business and OLAP reports for the human resources department. To match compute resources to the use case, the company has decided to have the reporting workload for the human resources department be directed to two small nodes in the Aurora DB cluster, while every other workload goes to four large nodes in the same DB cluster.

Which option would ensure that the correct nodes are always available for the appropriate workload while meeting these requirements?

Options:

A.

Use the writer endpoint for OLTP and the reader endpoint for the OLAP reporting workload.

B.

Use automatic scaling for the Aurora Replica to have the appropriate number of replicas for the desired workload.

C.

Create additional readers to cater to the different scenarios.

D.

Use custom endpoints to satisfy the different workloads.

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Question 2

A finance company migrated its 3 ื€ยขื€โ€™ on-premises PostgreSQL database to an Amazon Aurora PostgreSQL DB cluster. During a review after the migration, a database specialist discovers that the database is not encrypted at rest. The database must be encrypted at rest as soon as possible to meet security requirements. The database specialist must enable encryption for the DB cluster with minimal downtime.

Which solution will meet these requirements?

Options:

A.

Modify the unencrypted DB cluster using the AWS Management Console. Enable encryption and choose to apply the change immediately.

B.

Take a snapshot of the unencrypted DB cluster and restore it to a new DB cluster with encryption enabled. Update any database connection strings to reference the new DB cluster endpoint, and then delete the unencrypted DB cluster.

C.

Create an encrypted Aurora Replica of the unencrypted DB cluster. Promote the Aurora Replica as the new master.

D.

Create a new DB cluster with encryption enabled and use the pg_dump and pg_restore utilities to load data to the new DB cluster. Update any database connection strings to reference the new DB cluster endpoint, and then delete the unencrypted DB cluster.

Question 3

A company has an AWS CloudFormation template written in JSON that is used to launch new Amazon RDS for MySQL DB instances. The security team has asked a database specialist to ensure that the master password is automatically rotated every 30 days for all new DB instances that are launched using the template.

What is the MOST operationally efficient solution to meet these requirements?

Options:

A.

Save the password in an Amazon S3 object. Encrypt the S3 object with an AWS KMS key. Set the KMS key to be rotated every 30 days by setting the EnableKeyRotation property to true. Use a CloudFormation custom resource to read the S3 object to extract the password.

B.

Create an AWS Lambda function to rotate the secret. Modify the CloudFormation template to add an AWS::SecretsManager::RotationSchedule resource. Configure the RotationLambdaARN value and, for the RotationRules property, set the AutomaticallyAfterDays parameter to 30.

C.

Modify the CloudFormation template to use the AWS KMS key as the database password. Configure an Amazon EventBridge rule to invoke the KMS API to rotate the key every 30 days by setting the ScheduleExpression parameter to ***/30***.

D.

Integrate the Amazon RDS for MySQL DB instances with AWS IAM and centrally manage the master database user password.

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