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Pattern of DBS-C01 Exam

Amazon exams consist of two types of questions: multiple choice and multiple response. According to the vendor, the multiple choice items have one correct variant while multiple response questions have more than one right answer out of 5 or more options. Be careful while choosing the accurate one because there will be many distractors. To complete the tasks appearing in DBS-C01, the candidates will have 180 minutes. To register for the test, they should pay $300 (practice exam: $40). The AWS Certified Database Specialty exam is scored from 100-1000 marks, and to pass it, one should get at least 750. This score indicates your overall performance in the test, and there will be a detailed report that gives general feedback and highlights your strengths and weaknesses so you can improve them later. Note that some unscored questions are also presented in the exam and these questions don't affect your results. They just serve the purpose of collecting statistical information.

Below are some steps to apply for the AWS Certified Database Specialty Exam

In order to apply for the AWS Certified Database - Specialty, You have to follow these steps

* Sign in to AWS Training * Click Certification in the top navigation * Click AWS Certification Account Button * Followed by Schedule New Exam * Search the AWS Certified Database - Specialty exam * Click either the Schedule at PSI or Schedule at Pearson VUE button * Select Date, time and Schedule your test

Amazon AWS Certified Database - Specialty (DBS-C01) Exam Sample Questions (Q83-Q88):

NEW QUESTION # 83
Recently, an ecommerce business transferred one of its SQL Server databases to an Amazon RDS for SQL Server Enterprise Edition database instance. The corporation anticipates an increase in read traffic as a result of an approaching sale. To accommodate the projected read load, a database professional must establish a read replica of the database instance.
Which procedures should the database professional do prior to establishing the read replica? (Select two.)

• A. Ensure that the source DB instance is a Multi-AZ deployment with SQL Server Database Mirroring (DBM).
• B. Identify a potential downtime window and stop the application calls to the source DB instance.
• C. Ensure that the source DB instance is a Multi-AZ deployment with Always ON Availability Groups.
• D. Ensure that automatic backups are enabled for the source DB instance.
• E. Modify the read replica parameter group setting and set the value to 1.

Answer: C,D Explanation:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/SQLServer.ReadReplicas.html
NEW QUESTION # 84
A company is going through a security audit. The audit team has identified cleartext master user password in the AWS CloudFormation templates for Amazon RDS for MySQL DB instances. The audit team has flagged this as a security risk to the database team.
What should a database specialist do to mitigate this risk?

• A. Remove the passwords from the CloudFormation template and store them in a separate file. Replace the passwords by running CloudFormation using a sed command.
• B. Change all the databases to use AWS IAM for authentication and remove all the cleartext passwords in CloudFormation templates.
• C. Remove the passwords from the CloudFormation templates so Amazon RDS prompts for the password when the database is being created.
• D. Use an AWS Secrets Manager resource to generate a random password and reference the secret in the CloudFormation template.

Answer: D Explanation:
Explanation
https://aws.amazon.com/blogs/infrastructure-and-automation/securing-passwords-in-aws-quick-starts-using-aws-
NEW QUESTION # 85
A large retail company recently migrated its three-tier ecommerce applications to AWS. The company's backend database is hosted on Amazon Aurora PostgreSQL. During peak times, users complain about longer page load times. A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events. The SQL attached to the wait events are all single INSERT statements.
How should this issue be resolved?

• A. Add a new Aurora Replica to the Aurora DB cluster.
• B. Add an Amazon ElastiCache for Redis cluster and change the application to write through.
• C. Change the Aurora DB cluster storage to Provisioned IOPS (PIOPS).
• D. Modify the application to commit transactions in batches

Answer: A
NEW QUESTION # 86
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 ssm dynamic reference to retrieve the master password stored in the AWS Systems Manager Parameter Store and enable automatic rotation.
• B. Use the secretsmanager dynamic reference to retrieve the master password stored in AWS Secrets Manager and enable automatic rotation.
• C. Store the master password in a parameter file in each environment. Reference the environment-specific parameter file in the CloudFormation template.
• D. Encrypt the master password using an AWS KMS key. Store the encrypted master password in the CloudFormation template.

Answer: B
NEW QUESTION # 87
An AWS CloudFormation stack that included an Amazon RDS DB instance was accidentally deleted and recent data was lost. A Database Specialist needs to add RDS settings to the CloudFormation template to reduce the chance of accidental instance data loss in the future.
Which settings will meet this requirement? (Choose three.)

• A. Set DeletionProtection to True
• B. Set MultiAZ to True
• C. Set DeletionPolicy to Delete
• D. Set DeletionPolicy to Retain
• E. Set DeleteAutomatedBackups to False
• F. Set TerminationProtection to True

Answer: A,D,F
NEW QUESTION # 88
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