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Free DBS-C01 Exam Braindumps (page: 30)

Page 30 of 82
PDF with 327 Questions

A company is running a website on Amazon EC2 instances deployed in multiple Availability Zones (AZs). The site performs a high number of repetitive reads and writes each second on an Amazon RDS for MySQL Multi- AZ DB instance with General Purpose SSD (gp2) storage. After comprehensive testing and analysis, a database specialist discovers that there is high read latency and high CPU utilization on the DB instance.

Which approach should the database specialist to take to resolve this issue without changing the application?

  1. Implementing sharding to distribute the load to multiple RDS for MySQL databases.
  2. Use the same RDS for MySQL instance class with Provisioned IOPS (PIOPS) storage.
  3. Add an RDS for MySQL read replica.
  4. Modify the RDS for MySQL database class to a bigger size and implement Provisioned IOPS (PIOPS).

Answer(s): D



A banking company recently launched an Amazon RDS for MySQL DB instance as part of a proof-of-concept project. A database specialist has configured automated database snapshots. As a part of routine testing, the database specialist noticed one day that the automated database snapshot was not created.

Which of the following are possible reasons why the snapshot was not created? (Choose two.)

  1. A copy of the RDS automated snapshot for this DB instance is in progress within the same AWS Region.
  2. A copy of the RDS automated snapshot for this DB instance is in progress in a different AWS Region.
  3. The RDS maintenance window is not configured.
  4. The RDS DB instance is in the STORAGE_FULL state.
  5. RDS event notifications have not been enabled.

Answer(s): A,D



An online shopping company has a large inflow of shopping requests daily. As a result, there is a consistent load on the company’s Amazon RDS database. A database specialist needs to ensure the database is up and running at all times. The database specialist wants an automatic notification system for issues that may cause database downtime or for configuration changes made to the database.

What should the database specialist do to achieve this? (Choose two.)

  1. Create an Amazon CloudWatch Events event to send a notification using Amazon SNS on every API call logged in AWS CloudTrail.
  2. Subscribe to an RDS event subscription and configure it to use an Amazon SNS topic to send notifications.
  3. Use Amazon SES to send notifications based on configured Amazon CloudWatch Events events.
  4. Configure Amazon CloudWatch alarms on various metrics, such as FreeStorageSpace for the RDS instance.
  5. Enable email notifications for AWS Trusted Advisor.

Answer(s): B,D



A large company has a variety of Amazon DB clusters. Each of these clusters has various configurations that adhere to various requirements. Depending on the team and use case, these configurations can be organized into broader categories.

A database administrator wants to make the process of storing and modifying these parameters more systematic. The database administrator also wants to ensure that changes to individual categories of configurations are automatically applied to all instances when required.

Which AWS service or feature will help automate and achieve this objective?

  1. AWS Systems Manager Parameter Store
  2. DB parameter group
  3. AWS Config
  4. AWS Secrets Manager

Answer(s): B


Reference:

https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/USER_WorkingWithParamGroups.html



Page 30 of 82



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