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Download AWS Certified Database - Specialty (DBS-C01) Exam Exam Dumps
NEW QUESTION 44
Developers have requested a new Amazon Redshift cluster so they can load new third-party marketing dat a. The new cluster is ready and the user credentials are given to the developers. The developers indicate that their copy jobs fail with the following error message:
"Amazon Invalid operation: S3ServiceException:Access Denied,Status 403,Error AccessDenied." The developers need to load this data soon, so a database specialist must act quickly to solve this issue.
What is the MOST secure solution?
- A. Create a new IAM user with access keys and a new role with read-only access to the Amazon S3 bucket. Add this role to the Amazon Redshift cluster. Change the copy job to use the access keys created.
- B. Create a new IAM role with the same user name as the Amazon Redshift developer user ID. Provide the IAM role with read-only access to Amazon S3 with the assume role action.
- C. Create a new IAM role with read-only access to the Amazon S3 bucket and include the assume role action. Modify the Amazon Redshift cluster to add the IAM role.
- D. Create a new IAM role with read-only access to the Amazon S3 bucket with the assume role action. Add this role to the developer IAM user ID used for the copy job that ended with an error message.
Answer: C
Explanation:
https://docs.aws.amazon.com/redshift/latest/gsg/rs-gsg-create-an-iam-role.html
"Now that you have created the new role, your next step is to attach it to your cluster. You can attach the role when you launch a new cluster or you can attach it to an existing cluster. In the next step, you attach the role to a new cluster."
https://docs.aws.amazon.com/redshift/latest/dg/copy-usage_notes-access-permissions.html
NEW QUESTION 45
An application reads and writes data to an Amazon RDS for MySQL DB instance. A new reporting dashboard needs read-only access to the database. When the application and reports are both under heavy load, the database experiences performance degradation. A database specialist needs to improve the database performance.
What should the database specialist do to meet these requirements?
- A. Enable Multi-AZ deployment. Configure the reports to connect to the standby replica.
- B. Create a read replica of the DB instance. Configure the application and reports to connect to the cluster endpoint.
- C. Enable Multi-AZ deployment. Configure the application and reports to connect to the cluster endpoint.
- D. Create a read replica of the DB instance. Configure the reports to connect to the replication instance endpoint.
Answer: D
Explanation:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
NEW QUESTION 46
A company is developing a multi-tier web application hosted on AWS using Amazon Aurora as the database. The application needs to be deployed to production and other non-production environments. A Database Specialist needs to specify different MasterUsername and MasterUserPassword properties in the AWS CloudFormation templates used for automated deployment. The CloudFormation templates are version controlled in the company's code repository. The company also needs to meet compliance requirement by routinely rotating its database master password for production.
What is most secure solution to store the master password?
- A. Use the secretsmanager dynamic reference to retrieve the master password stored in AWS Secrets Manager and enable automatic rotation.
- B. Store the master password in a parameter file in each environment. Reference the environment-specific parameter file in the CloudFormation template.
- C. Use the ssm dynamic reference to retrieve the master password stored in the AWS Systems Manager Parameter Store and enable automatic rotation.
- D. Encrypt the master password using an AWS KMS key. Store the encrypted master password in the CloudFormation template.
Answer: A
NEW QUESTION 47
A database specialist is responsible for an Amazon RDS for MySQL DB instance with one read replic a. The DB instance and the read replica are assigned to the default parameter group. The database team currently runs test queries against a read replica. The database team wants to create additional tables in the read replica that will only be accessible from the read replica to benefit the tests.
Which should the database specialist do to allow the database team to create the test tables?
- A. Create a new DB parameter group. Change the read_only parameter to false (read_only=0). Associate the read replica with the new group. Reboot the read replica. Connect to the read replica and create the tables.
- B. Change the read_only parameter to false (read_only=0) in the default parameter group. Reboot the read replica. Connect to the read replica and create the tables.
- C. Change the read_only parameter to false (read_only=0) in the default parameter group of the read replica. Perform a reboot without failover. Connect to the read replica and create the tables using the local_only MySQL option.
- D. Contact AWS Support to disable read-only mode on the read replica. Reboot the read replica. Connect to the read replica and create the tables.
Answer: A
Explanation:
https://aws.amazon.com/premiumsupport/knowledge-center/rds-read-replica/
NEW QUESTION 48
A database specialist at a large multi-national financial company is in charge of designing the disaster recovery strategy for a highly available application that is in development. The application uses an Amazon DynamoDB table as its data store. The application requires a recovery time objective (RTO) of 1 minute and a recovery point objective (RPO) of 2 minutes.
Which operationally efficient disaster recovery strategy should the database specialist recommend for the DynamoDB table?
- A. Create a DynamoDB stream that is processed by an AWS Lambda function that copies the data to a DynamoDB table in another Region.
- B. Use a DynamoDB global table replica in another Region. Enable point-in-time recovery for both tables.
- C. Use a DynamoDB Accelerator table in another Region. Enable point-in-time recovery for the table.
- D. Create an AWS Backup plan and assign the DynamoDB table as a resource.
Answer: C
NEW QUESTION 49
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