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NEW QUESTION 30
A company is closing one of its remote data centers. This site runs a 100 TB on-premises data warehouse solution. The company plans to use the AWS Schema Conversion Tool (AWS SCT) and AWS DMS for the migration to AWS. The site network bandwidth is 500 Mbps. A Database Specialist wants to migrate the on-premises data using Amazon S3 as the data lake and Amazon Redshift as the data warehouse. This move must take place during a 2-week period when source systems are shut down for maintenance. The data should stay encrypted at rest and in transit.
Which approach has the least risk and the highest likelihood of a successful data transfer?

  • A. Leverage AWS SCT and apply the converted schema to Amazon Redshift. Once complete, use a fleet of10 TB dedicated encrypted drives using the AWS Import/Export feature to copy data from on-premises toAmazon S3 with AWS KMS encryption. Use AWS Glue to load the data to Amazon redshift.
  • B. Set up a VPN tunnel for encrypting data over the network from the data center to AWS. Leverage a nativedatabase export feature to export the data and compress the files. Use the aws S3 cp multi-port uploadcommand to upload these files to Amazon S3 with AWS KMS encryption. Once complete, load the data toAmazon Redshift using AWS Glue.
  • C. Set up a VPN tunnel for encrypting data over the network from the data center to AWS. Leverage AWSSCT and apply the converted schema to Amazon Redshift. Once complete, start an AWS DMS task tomove the data from the source to Amazon S3. Use AWS Glue to load the data from Amazon S3 to AmazonRedshift.
  • D. Leverage AWS SCT and apply the converted schema to Amazon Redshift. Start an AWS DMS task withtwo AWS Snowball Edge devices to copy data from on-premises to Amazon S3 with AWS KMS encryption.Use AWS DMS to finish copying data to Amazon Redshift.

Answer: A

 

NEW QUESTION 31
Developers have requested a new Amazon Redshift cluster so they can load new third-party marketing dat a. The new cluster is ready and the user credentials are given to the developers. The developers indicate that their copy jobs fail with the following error message:
"Amazon Invalid operation: S3ServiceException:Access Denied,Status 403,Error AccessDenied." The developers need to load this data soon, so a database specialist must act quickly to solve this issue.
What is the MOST secure solution?

  • A. Create a new IAM role with read-only access to the Amazon S3 bucket and include the assume role action. Modify the Amazon Redshift cluster to add the IAM role.
  • B. Create a new IAM role with the same user name as the Amazon Redshift developer user ID. Provide the IAM role with read-only access to Amazon S3 with the assume role action.
  • C. Create a new IAM role with read-only access to the Amazon S3 bucket with the assume role action. Add this role to the developer IAM user ID used for the copy job that ended with an error message.
  • D. Create a new IAM user with access keys and a new role with read-only access to the Amazon S3 bucket. Add this role to the Amazon Redshift cluster. Change the copy job to use the access keys created.

Answer: A

Explanation:
https://docs.aws.amazon.com/redshift/latest/gsg/rs-gsg-create-an-iam-role.html
"Now that you have created the new role, your next step is to attach it to your cluster. You can attach the role when you launch a new cluster or you can attach it to an existing cluster. In the next step, you attach the role to a new cluster."
https://docs.aws.amazon.com/redshift/latest/dg/copy-usage_notes-access-permissions.html

 

NEW QUESTION 32
A team of Database Specialists is currently investigating performance issues on an Amazon RDS for MySQL DB instance and is reviewing related metrics. The team wants to narrow the possibilities down to specific database wait events to better understand the situation.
How can the Database Specialists accomplish this?

  • A. Enable Amazon RDS Performance Insights and review the appropriate dashboard
  • B. Enable the option to push all database logs to Amazon CloudWatch for advanced analysis
  • C. Create appropriate Amazon CloudWatch dashboards to contain specific periods of time
  • D. Enable Enhanced Monitoring will the appropriate settings

Answer: A

 

NEW QUESTION 33
A business's production database is hosted on a single-node Amazon RDS for MySQL DB instance. The database instance is hosted in a United States AWS Region.
A week before a significant sales event, a fresh database maintenance update is released. The maintenance update has been designated as necessary. The firm want to minimize the database instance's downtime and requests that a database expert make the database instance highly accessible until the sales event concludes.
Which solution will satisfy these criteria?

  • A. Create a read replica with the latest update. Transfer all read-only traffic to the read replica during the sales event.
  • B. Create a read replica with the latest update. Initiate a failover before the sales event.
  • C. Convert the DB instance into a Multi-AZ deployment. Apply the maintenance update.
  • D. Defer the maintenance update until the sales event is over.

Answer: C

Explanation:
Explanation
https://aws.amazon.com/premiumsupport/knowledge-center/rds-required-maintenance/

 

NEW QUESTION 34
A company wants to migrate its Microsoft SQL Server Enterprise Edition database instance from on-premises to AWS. A deep review is performed and the AWS Schema Conversion Tool (AWS SCT) provides options for running this workload on Amazon RDS for SQL Server Enterprise Edition, Amazon RDS for SQL Server Standard Edition, Amazon Aurora MySQL, and Amazon Aurora PostgreSQL. The company does not want to use its own SQL server license and does not want to change from Microsoft SQL Server.
What is the MOST cost-effective and operationally efficient solution?

  • A. Run Amazon Aurora MySQL leveraging SQL Server on Linux compatibility libraries.
  • B. Run SQL Server Enterprise Edition on Amazon RDS.
  • C. Run SQL Server Standard Edition on Amazon RDS.
  • D. Run SQL Server Enterprise Edition on Amazon EC2.

Answer: C

Explanation:
Explanation
This link seems to indicate that more information is required to determine if the Enterprise instance is a candidate for downgrading to Standard.
https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/determine-whether-your-microsoft-sql-server-
https://calculator.aws/#/createCalculator/RDSSQLServer

 

NEW QUESTION 35
......

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