An ecommerce company is migrating its business intelligence environment from on premises to the AWS Cloud. The company will use Amazon Redshift in a public subnet and Amazon QuickSight. The tables already are loaded into Amazon Redshift and can be accessed by a SQL tool. The company starts QuickSight for the first time. During the creation of the data source, a data analytics specialist enters all the information and tries to validate the connection. An error with the following message occurs: "Creating a connection to your data source timed out." How should the data analytics specialist resolve this error?
A) Grant the SELECT permission on Amazon Redshift tables.
B) Add the QuickSight IP address range into the Amazon Redshift security group.
C) Create an IAM role for QuickSight to access Amazon Redshift.
D) Use a QuickSight admin user for creating the dataset.

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The Answer of An ecommerce company is migrating its business intelligence environment from on premises to the AWS Cloud. The company will use Amazon Redshift in a public subnet and Amazon QuickSight. The tables already are loaded into Amazon Redshift and can be accessed by a SQL tool. The company starts QuickSight for the first time. During the creation of the data source, a data analytics specialist enters all the information and tries to validate the connection. An error with the following message occurs: "Creating a connection to your data source timed out." How should the data analytics specialist resolve this error?
A) Grant the SELECT permission on Amazon Redshift tables.
B) Add the QuickSight IP address range into the Amazon Redshift security group.
C) Create an IAM role for QuickSight to access Amazon Redshift.
D) Use a QuickSight admin user for creating the dataset.

An Ecommerce Company Is Migrating Its Business Intelligence Environment from on Premises