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NEW QUESTION 52
A financial company has allocated an Amazon RDS MariaDB DB instance with large storage capacity to accommodate migration efforts. Post-migration, the company purged unwanted data from the instance. The company now want to downsize storage to save money. The solution must have the least impact on production and near-zero downtime.
Which solution would meet these requirements?

• A. Create a new read replica and make it the primary by terminating the existing primary
• B. Create a snapshot of the old databases and restore the snapshot with the required storage
• C. Create a new RDS DB instance with the required storage and move the databases from the old instances to the new instance using AWS DMS
• D. Create a new database using native backup and restore

Answer: C

Explanation:
https://aws.amazon.com/premiumsupport/knowledge-center/rds-db-storage-size/ Use AWS Database Migration Service (AWS DMS) for minimal downtime.

NEW QUESTION 53
A stock market analysis firm maintains two locations: one in the us-east-1 Region and another in the eu-west-2 Region. The business want to build an AWS database solution capable of providing rapid and accurate updates.
Dashboards with advanced analytical queries are used to present data in the eu-west-2 office. Because the corporation will use these dashboards to make purchasing choices, they must have less than a second to obtain application data.
Which solution satisfies these criteria and gives the MOST CURRENT dashboard?

• A. Deploy an Amazon RDS DB instance in us-east-1 with a read replica instance in eu-west-2. Create an Amazon ElastiCache cluster in eu-west-2 to cache data from the read replica to generate the dashboards.
• B. Use an Amazon DynamoDB global table in us-east-1 with replication into eu-west-2. Use multi-active replication to ensure that updates are quickly propagated to eu-west-2.
• C. Deploy an Amazon RDS for MySQL DB instance in us-east-1 with a read replica instance in eu-west-2.Configure the dashboard application to read from the read replica.
• D. Use an Amazon Aurora global database. Deploy the primary DB cluster in us-east-1. Deploy the secondary DB cluster in eu-west-2. Configure the dashboard application to read from the secondary cluster.

Answer: D

Explanation:
Explanation
Amazon Aurora global databases span multiple AWS Regions, enabling low latency global reads and providing fast recovery from the rare outage that might affect an entire AWS Region. An Aurora global database has a primary DB cluster in one Region, and up to five secondary DB clusters in different Regions.
https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-global-database.html

NEW QUESTION 54
A financial services company is developing a shared data service that supports different applications from throughout the company. A Database Specialist designed a solution to leverage Amazon ElastiCache for Redis with cluster mode enabled to enhance performance and scalability. The cluster is configured to listen on port
6379.
Which combination of steps should the Database Specialist take to secure the cache data and protect it from unauthorized access? (Choose three.)

• A. Ensure that Amazon CloudWatch metrics are configured in the ElastiCache cluster.
• B. Ensure the cluster is created with the auth-token parameter and that the parameter is used in all subsequent commands.
• C. Enable in-transit and at-rest encryption on the ElastiCache cluster.
• D. Create an IAM policy to allow the application service roles to access all ElastiCache API actions.
• E. Ensure the security group for the ElastiCache cluster allows all inbound traffic from itself and inbound traffic on TCP port 6379 from trusted clients only.
• F. Ensure the security group for the ElastiCache clients authorize inbound TCP port 6379 and port 22 traffic from the trusted ElastiCache cluster's security group.

Answer: A,C,F

NEW QUESTION 55
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 MultiAZ to True
• B. Set DeletionProtection to True
• C. Set DeletionPolicy to Delete
• D. Set DeleteAutomatedBackups to False
• E. Set TerminationProtection to True
• F. Set DeletionPolicy to Retain

Answer: B,E,F

Explanation:
Reference:
https://aws.amazon.com/premiumsupport/knowledge-center/cloudformation-accidental-updates/

NEW QUESTION 56
The Amazon CloudWatch metric for FreeLocalStorage on an Amazon Aurora MySQL DB instance shows that the amount of local storage is below 10 MB. A database engineer must increase the local storage available in the Aurora DB instance.
How should the database engineer meet this requirement?

• A. Modify the Aurora DB cluster to enable automatic volume resizing.
• B. Increase the local storage by upgrading the database engine version.
• C. Modify the DB instance and configure the required storage volume in the configuration section.
• D. Modify the DB instance to use an instance class that provides more local SSD storage.

Answer: C

NEW QUESTION 57
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