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Amazon DBS-C01 Exam

Certification Provider: Amazon
Exam Name: AWS Certified Database - Specialty
Number of questions in our database: 145
Exam Version: Nov. 24, 2021
DBS-C01 Exam Official Topics:
  • Topic 1: Determine access control and authentication mechanisms/ Determine strategies for disaster recovery and high availability
  • Topic 2: Managethe operational environment of a database solutionDomain/ Design database solutions for performance, compliance, and scalability
  • Topic 3: Recognize potential security vulnerabilities within database solutions/ Workload-Specific Database Design
  • Topic 4: Determine monitoring and alerting strategies/ Troubleshootand resolve common database issues
  • Topic 5: Determine data preparation and migration strategies/ Automate database solution deployments
  • Topic 6: Select appropriate database services for specific types of dataand workloads/ Optimize database performance
  • Topic 7: Comparethe costs of database solutions/ Determinemaintenance tasks and processes/ Determinebackup and restore strategies
  • Topic 8: Encryptdata atrest and intransit/ Executeand validate data migration/ Monitoring and Troubleshooting
  • Topic 9: Evaluateauditing solutions/ Deployment and Migration/ Management and Operations/ Database Security

Free Amazon DBS-C01 Exam Actual Questions

The questions for DBS-C01 were last updated On Nov. 24, 2021

Question #1

A financial company has allocated an Amazon RDS MariaDB DB instance with large storage capacity to accommodate migration efforts. Post-migration, the company purged unwanted data from the instance. The company now want to downsize storage to save money. The solution must have the least impact on production and near-zero downtime.

Which solution would meet these requirements?

Reveal Solution Hide Solution
Correct Answer: B

Question #2

A large financial services company requires that all data be encrypted in transit. A Developer is attempting to connect to an Amazon RDS DB instance using the company VPC for the first time with credentials provided by a Database Specialist. Other members of the Development team can connect, but this user is consistently receiving an error indicating a communications link failure. The Developer asked the Database Specialist to reset the password a number of times, but the error persists.

Which step should be taken to troubleshoot this issue?

Reveal Solution Hide Solution
Correct Answer: B

Question #3

A ride-hailing application uses an Amazon RDS for MySQL DB instance as persistent storage for bookings. This application is very popular and the company expects a tenfold increase in the user base in next few months. The application experiences more traffic during the morning and evening hours.

This application has two parts:

An in-house booking component that accepts online bookings that directly correspond to simultaneous requests from users.

A third-party customer relationship management (CRM) component used by customer care representatives. The CRM uses queries to access booking data.

A database specialist needs to design a cost-effective database solution to handle this workload. Which solution meets these requirements?

Reveal Solution Hide Solution
Correct Answer: D

Question #4

A database specialist is building a system that uses a static vendor dataset of postal codes and related territory information that is less than 1 GB in size. The dataset is loaded into the application's cache at start up. The company needs to store this data in a way that provides the lowest cost with a low application startup time.

Which approach will meet these requirements?

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Correct Answer: A

Question #5

A database specialist needs to review and optimize an Amazon DynamoDB table that is experiencing performance issues. A thorough investigation by the database specialist reveals that the partition key is causing hot partitions, so a new partition key is created. The database specialist must effectively apply this new partition key to all existing and new data.

How can this solution be implemented?

Reveal Solution Hide Solution
Correct Answer: D


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