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NEW QUESTION 24
A company is using Amazon RDS for PostgreSQL. The Security team wants all database connection requests to be logged and retained for 180 days. The RDS for PostgreSQL DB instance is currently using the default parameter group. A Database Specialist has identified that setting the log_connections parameter to 1 will enable connections logging.
Which combination of steps should the Database Specialist take to meet the logging and retention requirements? (Choose two.)

• A. Update the log_connections parameter in the default parameter group
• B. Create a custom parameter group, update the log_connections parameter, and associate the parameterwith the DB instance
• C. Enable publishing of database engine logs to an Amazon S3 bucket and set the lifecycle policy to 180 days
• D. Connect to the RDS PostgreSQL host and update the log_connections parameter in the postgresql.conf file
• E. Enable publishing of database engine logs to Amazon CloudWatch Logs and set the event expiration to180 days

Answer: A,D

NEW QUESTION 25
A business's mission-critical production workload is being operated on a 500 GB Amazon Aurora MySQL DB cluster. A database engineer must migrate the workload without causing data loss to a new Amazon Aurora Serverless MySQL DB cluster.
Which approach will result in the LEAST amount of downtime and the LEAST amount of application impact?

• A. Create an Aurora Serverless replica from the existing DB cluster and promote it to primary when the replica lag is minimal.
• B. Modify the existing DB cluster and update the Aurora configuration to Serverless.
• C. Replicate the data between the existing DB cluster and a new Aurora Serverless DB cluster by using AWS Database Migration Service (AWS DMS) with change data capture (CDC) enabled.
• D. Create a snapshot of the existing DB cluster and restore it to a new Aurora Serverless DB cluster.

Answer: C

Explanation:
Explanation
https://medium.com/@souri29/how-to-migrate-from-amazon-rds-aurora-or-mysql-to-amazon-aurora-serverless-5

NEW QUESTION 26
A database specialist deployed an Amazon RDS DB instance in Dev-VPC1 used by their development team.
Dev-VPC1 has a peering connection with Dev-VPC2 that belongs to a different development team in the same department. The networking team confirmed that the routing between VPCs is correct; however, the database engineers in Dev-VPC2 are getting a timeout connections error when trying to connect to the database in Dev- VPC1.
What is likely causing the timeouts?

• A. The database is deployed with misconfigured security groups.
• B. The database is deployed in a VPC that is in a different Region.
• C. The database is deployed with the wrong client connect timeout configuration.
• D. The database is deployed in a VPC that is in a different Availability Zone.

Answer: A

Explanation:
Explanation
"A VPC peering connection is a networking connection between two VPCs that enables you to route traffic between them using private IP addresses. Instances in either VPC can communicate with each other as if they are within the same network. You can create a VPC peering connection between your own VPCs, with a VPC in another AWS account, or with a VPC in a different AWS Region."
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_VPC.Scenarios.html

NEW QUESTION 27
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?

• A. Migrate to Amazon Aurora MySQL and enable the Aurora Backtrack feature
• B. Migrate to Amazon RDS for SQL Server, take a snapshot, and restore from the snapshot
• C. Deploy multiple read replicas and have the team members make changes to separate replica instances
• D. Enable the Amazon RDS for MySQL Backtrack feature

Answer: A

Explanation:
"Amazon Aurora, a fully-managed relational database service in AWS, is now offering a backtrack feature. With Amazon Aurora with MySQL compatibility, users can backtrack, or "rewind", a database cluster to a specific point in time, without restoring data from a backup. The backtrack process allows a point in time to be specified with one second resolution, and the rewind process typically takes minutes. This new feature facilitates developers in undoing mistakes like deleting data inappropriately or dropping the wrong table."

NEW QUESTION 28
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