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Free Amazon DBS-C01 Exam Braindumps (page: 20)

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359 Questions & Answers
Page 8 of 82

A company is using Amazon RDS for MySQL to redesign its business application. A Database Specialist has noticed that the Development team is restoring their MySQL database multiple times a day when Developers make mistakes in their schema updates. The Developers sometimes need to wait hours to the restores to complete.
Multiple team members are working on the project, making it difficult to find the correct restore point for each mistake.
Which approach should the Database Specialist take to reduce downtime?

  1. Deploy multiple read replicas and have the team members make changes to separate replica instances
  2. Migrate to Amazon RDS for SQL Server, take a snapshot, and restore from the snapshot
  3. Migrate to Amazon Aurora MySQL and enable the Aurora Backtrack feature
  4. Enable the Amazon RDS for MySQL Backtrack feature

Answer(s): C



A media company is using Amazon RDS for PostgreSQL to store user data. The RDS DB instance currently has a publicly accessible setting enabled and is hosted in a public subnet. Following a recent AWS Well- Architected Framework review, a Database Specialist was given new security requirements:

-Only certain on-premises corporate network IPs should connect to the DB instance.
-Connectivity is allowed from the corporate network only.

Which combination of steps does the Database Specialist need to take to meet these new requirements? (Choose three.)

  1. Modify the pg_hba.conf file. Add the required corporate network IPs and remove the unwanted IPs.
  2. Modify the associated security group. Add the required corporate network IPs and remove the unwanted IPs.
  3. Move the DB instance to a private subnet using AWS DMS.
  4. Enable VPC peering between the application host running on the corporate network and the VPC associated with the DB instance.
  5. Disable the publicly accessible setting.
  6. Connect to the DB instance using private IPs and a VPN.

Answer(s): B,E,F



A company is about to launch a new product, and test databases must be re-created from production data. The company runs its production databases on an Amazon Aurora MySQL DB cluster. A Database Specialist needs to deploy a solution to create these test databases as quickly as possible with the least amount of administrative effort.

What should the Database Specialist do to meet these requirements?

  1. Restore a snapshot from the production cluster into test clusters
  2. Create logical dumps of the production cluster and restore them into new test clusters
  3. Use database cloning to create clones of the production cluster
  4. Add an additional read replica to the production cluster and use that node for testing

Answer(s): C



A company with branch offices in Portland, New York, and Singapore has a three-tier web application that leverages a shared database. The database runs on Amazon RDS for MySQL and is hosted in the us-west-2 Region. The application has a distributed front end deployed in the us-west-2, ap-southheast-1, and us-east-2 Regions.

This front end is used as a dashboard for Sales Managers in each branch office to see current sales statistics. There are complaints that the dashboard performs more slowly in the Singapore location than it does in Portland or New York. A solution is needed to provide consistent performance for all users in each location.

Which set of actions will meet these requirements?

  1. Take a snapshot of the instance in the us-west-2 Region. Create a new instance from the snapshot in the ap-southeast-1 Region. Reconfigure the ap-southeast-1 front-end dashboard to access this instance.
  2. Create an RDS read replica in the ap-southeast-1 Region from the primary RDS DB instance in the us- west-2 Region. Reconfigure the ap-southeast-1 front-end dashboard to access this instance.
  3. Create a new RDS instance in the ap-southeast-1 Region. Use AWS DMS and change data capture (CDC) to update the new instance in the ap-southeast-1 Region. Reconfigure the ap-southeast-1 front-end dashboard to access this instance.
  4. Create an RDS read replica in the us-west-2 Region where the primary instance resides. Create a read replica in the ap-southeast-1 Region from the read replica located on the us-west-2 Region. Reconfigure the ap-southeast-1 front-end dashboard to access this instance.

Answer(s): B






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