A SysOps administrator needs to create alerts that are based on the read and write metrics of Amazon Elastic Block Store (Amazon EBS) volumes that are attached to an Amazon EC2 instance. The SysOps administrator creates and enables Amazon CloudWatch alarms for the DiskReadBytes metric and the DiskWriteBytes metric.
A custom monitoring tool that is installed on the EC2 instance with the same alarm configuration indicates that the volume metrics have exceeded the threshold. However, the CloudWatch alarms were not in ALARM state.
Which action will ensure that the CloudWatch alarms function correctly?

• A.Reconfigure the CloudWatch alarms to use the VolumeReadBytes metric and the VolumeWriteBytes metric for the EBS volumes.
• B.Reconfigure the CloudWatch alarms to use the VolumeReadBytes metric and the VolumeWriteBytes metric for the EC2 instance.
• C.Install and configure AWS Systems Manager Agent on the EC2 instance to capture the desired metrics.
• D.Install and configure the CloudWatch agent on the EC2 instance to capture the desired metrics.

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A company has a web application that runs both on-premises and on Amazon EC2 instances.
Over time, both the on-premises servers and EC2 instances begin crashing.
A SysOps Administrator suspects a memory leak in the application and wants a unified method to monitor memory utilization over time.
How can the Administrator track both the EC2 memory utilization and on-premises server memory utilization over time?

• A.Write a script or use a third-party application to report memory utilization for both EC2 instances and on-premises servers.
• B.Use Amazon CloudWatch agent for both Amazon EC2 instances and on-premises servers to report MemoryUtilization metics to CloudWatch and set a CloudWatch alarm for notifications.
• C.Use CloudWatch agent for Amazon EC2 instances to report memory utilization to CloudWatch, and set CloudWatch alarms for notifications. Use a third-party application for the on-premises servers.
• D.Configure a load balancer to route traffic to both on-premises servers and EC2 instances, then use CloudWatch as the unified view of the metrics for the load balancer.

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A company has a policy that requires all Amazon EC2 instances to have a specific set of tags. If an EC2 instance does not have the required tags, the noncompliant instance should be terminated.
What is the MOST operationally efficient solution that meets these requirements?

• A.Create an Amazon EventBridge (Amazon CloudWatch Events) rule to send all EC2 instance state changes to an AWS Lambda function to determine if each instance is compliant. Terminate any noncompliant instances.
• B.Create an IAM policy that enforces all EC2 instance tag requirements. If the required tags are not in place for an instance, the policy will terminate noncompliant instance.
• C.Create an AWS Lambda function to determine if each EC2 instance is compliant and terminate an instance if it is noncompliant. Schedule the Lambda function to invoke every 5 minutes.
• D.Create an AWS Config rule to check if the required tags are present. If an EC2 instance is noncompliant, invoke an AWS Systems Manager Automation document to terminate the instance.

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A SysOps administrator is provisioning an Amazon Elastic File System (Amazon EFS) file system to provide shared storage across multiple Amazon EC2 instances The instances all exist in the same VPC across multiple Availability Zones. There are two instances In each Availability Zone. The SysOps administrator must make the file system accessible to each instance with the lowest possible latency.
Which solution will meet these requirements?

• A.Create a mount target for the EFS file system in the VPC. Use the mount target to mount the file system on each of the instances
• B.Create a mount target for the EFS file system in one Availability Zone of the VPC. Use the mount target to mount the file system on the instances in that Availability Zone. Share the directory with the other instances.
• C.Create a mount target for each instance. Use each mount target to mount the EFS file system on each respective instance.
• D.Create a mount target in each Availability Zone of the VPC Use the mount target to mount the EFS file system on the Instances in the respective

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An existing, deployed solution uses Amazon EC2 instances with Amazon EBS General Purpose SSD volumes, am Amazon RDS PostgreSQL database, an Amazon EFS file system, and static objects stored in an Amazon S3 bucket.
The Security team now mandates that at-rest encryption be turned on immediately for all aspects of the application, without creating new resources and without any downtime.
To satisfy the requirements, which one of these services can the SysOps Administrator enable at- rest encryption on?

• A.RDS PostgreSQL database
• B.EBS General Purpose SSD volumes
• C.S3 objects within a bucket
• D.Amazon EFS file systems

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