QUESTION: 17

A company has a web application that is experiencing performance problems many times each night. A root cause analysis reveals sudden increases in CPU utilization that last 5 minutes on an Amazon EC2 Linux instance. A SysOps administrator must find the process ID (PID) of the service or process that is consuming more CPU.
What should the SysOps administrator do to collect the process utilization information with the LEAST amount of effort?

Configure the Amazon CloudWatch agent procstat plugin to capture CPU process metrics.
Configure an AWS Lambda function to run every minute to capture the PID and send a notification.
Log in to the EC2 instance by using a .pem key each night. Then run the top command.
Use the default Amazon CloudWatch CPU utilization metric to capture the PID in CloudWatch.

Answer(s): A

Reference:

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/CloudWatch-Agent-procstat-process-metrics.html

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QUESTION: 18

A SysOps administrator configured AWS Backup to capture snapshots from a single Amazon EC2 instance that has one Amazon Elastic Block Store (Amazon EBS) volume attached. On the first snapshot, the EBS volume has 10 GiB of data. On the second snapshot, the EBS volume still contains 10 GiB of data, but 4 GiB have changed. On the third snapshot, 2 GiB of data have been added to the volume, for a total of 12 GiB.
How much total storage is required to store these snapshots?

12 GiB
16 GiB
26 GiB
32 GiB

Answer(s): B

Reference:

https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.html#how_snapshots_work

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QUESTION: 19

A team is managing an AWS account that is a member of an organization in AWS Organizations. The organization has consolidated billing features enabled. The account hosts several applications.
A SysOps administrator has applied tags to resources within the account to reflect the environment. The team needs a report of the breakdown of charges by environment.
What should the SysOps administrator do to meet this requirement?

Filter, map, and categorize resource groups in Tag Editor.
Ensure that the organization's service control policies (SCPs) allow access to cost allocation tags.
Ensure that the IAM credentials that are used to access Cost Explorer have permissions to group cost by tags.
Activate the tag keys for cost allocation on the organization's management account.

Answer(s): D

Reference:

https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/cost-alloc-tags.html

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QUESTION: 20

A company uses an AWS CloudFormation template to provision an Amazon EC2 instance and an Amazon RDS DB instance. A SysOps administrator must update the template to ensure that the DB instance is created before the EC2 instance is launched.
What should the SysOps administrator do to meet this requirement?

Add a wait condition to the template. Update the EC2 instance user data script to send a signal after the EC2 instance is started.
Add the DependsOn attribute to the EC2 instance resource, and provide the logical name of the RDS resource.
Change the order of the resources in the template so that the RDS resource is listed before the EC2 instance resource.
Create multiple templates. Use AWS CloudFormation StackSets to wait for one stack to complete before the second stack is created.

Answer(s): B

Reference:

https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-attribute-dependson.html

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