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A company wants to build a solution for its business-critical Amazon RDS for MySQL database. The database requires high availability across different geographic locations. A SysOps administrator must build a solution to handle a disaster recovery (DR) scenario with the lowest recovery time objective (RTO) and recovery point objective (RPO).

Which solution meets these requirements?

A. Create automated snapshots of the database on a schedule. Copy the snapshots to the DR Region.

B. Create a cross-Region read replica for the database.

C. Create a Multi-AZ read replica for the database.

D. Schedule AWS Lambda functions to create snapshots of the source database and to copy the snapshots to a DR Region.

A SysOps administrator needs to delete an AWS CloudFormation stack that is no longer in use. The CloudFormation stack is in the DELETE_FAILED state. The SysOps administrator has validated the permissions that are required to delete the Cloud Formation stack.

A. The configured timeout to delete the stack was too low for the delete operation to complete.

B. The stack contains nested stacks that must be manually deleted fast.

C. The stack was deployed with the -disable rollback option.

D. There are additional resources associated with a security group in the stack

E. There are Amazon S3 buckets that still contain objects in the stack.

A company is deploying a third-party unit testing solution that is delivered as an Amazon EC2 Amazon Machine Image (AMI). All system configuration data is stored in Amazon DynamoDB. The testing results are stored in Amazon S3.

A minimum of three EC2 instances are required to operate the product. The company's testing team wants to use an additional three EC2 Instances when the Spot Instance prices are at a certain threshold. A SysOps administrator must Implement a highly available solution that provides this functionality.

Which solution will meet these requirements with the LEAST operational overhead?

A. Define an Amazon EC2 Auto Scaling group by using a launch configuration. Use the provided AMI In the launch configuration. Configure three On-Demand Instances and three Spot Instances. Configure a maximum Spot Instance price In the launch configuration.

B. Define an Amazon EC2 Auto Scaling group by using a launch template. Use the provided AMI in the launch template. Configure three On-Demand Instances and three Spot Instances. Configure a maximum Spot Instance price In the launch template.

C. Define two Amazon EC2 Auto Scaling groups by using launch configurations. Use the provided AMI in the launch configurations. Configure three On-Demand Instances for one Auto Scaling group. Configure three Spot Instances for the other Auto Scaling group. Configure a maximum Spot Instance price in the launch configuration for the Auto Scaling group that has Spot Instances.

D. Define two Amazon EC2 Auto Scaling groups by using launch templates. Use the provided AMI in the launch templates. Configure three On-Demand Instances for one Auto Scaling group. Configure three Spot Instances for the other Auto Scaling group. Configure a maximum Spot Instance price in the launch template for the Auto Scaling group that has Spot Instances.

A SysOps administrator wants to provide access to AWS services by attaching an IAM policy to multiple IAM users. The SysOps administrator also wants to be able to change the policy and create new versions. Which combination of actions will meet these requirements? (Choose two.)

A. Add the users to an IAM service-linked role. Attach the policy to the role.

B. Add the users to an IAM user group. Attach the policy to the group.

C. Create an AWS managed policy.

D. Create a customer managed policy.

E. Create an inline policy.

A SysOps administrator is configuring Amazon CloudWatch alarms. A particular is constantly in the ALARM state. What could be the reason for this issue?

A. Alarms continue to evaluate metrics against configured thresholds, even after they are triggered.

B. After alarms are triggered, they remain in the ALARM state until they are manually disabled.

C. After an alarm is triggered and an action is performed, the application logic must reset the alarm to its normal state.

D. The alarm is not receiving appropriate metrics.