What is the MOST likely cause of the 5-minute connection outage?

A Database Specialist is troubleshooting an application connection failure on an Amazon Aurora DB cluster with multiple Aurora Replicas that had been running with no issues for the past 2 months. The connection failure lasted for 5 minutes and corrected itself after that. The Database Specialist reviewed the Amazon RDS...

November 25, 2023 No Comments READ MORE +

What is the most likely reason for this?

A Database Specialist is planning to create a read replica of an existing Amazon RDS for MySQL Multi-AZ DB instance. When using the AWS Management Console to conduct this task, the Database Specialist discovers that the source RDS DB instance does not appear in the read replica source selection box,...

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What is the MOST cost-effective action that should be taken to avoid downtime?

A company is running Amazon RDS for MySQL for its workloads. There is downtime when AWS operating system patches are applied during the Amazon RDS-specified maintenance window. What is the MOST cost-effective action that should be taken to avoid downtime?A . Migrate the workloads from Amazon RDS for MySQL to...

November 24, 2023 No Comments READ MORE +

Which option would ensure that the correct nodes are always available for the appropriate workload while meeting these requirements?

A company has a heterogeneous six-node production Amazon Aurora DB cluster that handles online transaction processing (OLTP) for the core business and OLAP reports for the human resources department. To match compute resources to the use case, the company has decided to have the reporting workload for the human resources...

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What is the FASTEST way to accomplish this?

A company is running an Amazon RDS for PostgeSQL DB instance and wants to migrate it to an Amazon Aurora PostgreSQL DB cluster. The current database is 1 TB in size. The migration needs to have minimal downtime. What is the FASTEST way to accomplish this?A . Create an Aurora...

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Which solution will meet these requirements with minimal effort?

A company has an on-premises system that tracks various database operations that occur over the lifetime of a database, including database shutdown, deletion, creation, and backup. The company recently moved two databases to Amazon RDS and is looking at a solution that would satisfy these requirements. The data could be...

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What is the MOST operationally efficient and cost-effective solution?

A database specialist manages a critical Amazon RDS for MySQL DB instance for a company. The data stored daily could vary from .01% to 10% of the current database size. The database specialist needs to ensure that the DB instance storage grows as needed. What is the MOST operationally efficient...

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Which step should be taken to troubleshoot this issue?

A large financial services company requires that all data be encrypted in transit. A Developer is attempting to connect to an Amazon RDS DB instance using the company VPC for the first time with credentials provided by a Database Specialist. Other members of the Development team can connect, but this...

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How can the Database Specialist accomplish this?

The Development team recently executed a database script containing several data definition language (DDL) and data manipulation language (DML) statements on an Amazon Aurora MySQL DB cluster. The release accidentally deleted thousands of rows from an important table and broke some application functionality. This was discovered 4 hours after the...

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Which strategy would allow for a successful migration with the LEAST amount of downtime?

A small startup company is looking to migrate a 4 TB on-premises MySQL database to AWS using an Amazon RDS for MySQL DB instance. Which strategy would allow for a successful migration with the LEAST amount of downtime?A . Deploy a new RDS for MySQL DB instance and configure it...

November 24, 2023 No Comments READ MORE +