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Question 222 - DOP-C02 discussion

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A company has a fleet of Amazon EC2 instances that run Linux in a single AWS account. The company is using an AWS Systems Manager Automation task across the EC2 instances.

During the most recent patch cycle, several EC2 instances went into an error state because of insufficient available disk space. A DevOps engineer needs to ensure that the EC2 instances have sufficient available disk space during the patching process in the future.

Which combination of steps will meet these requirements? {Select TWO.)

A.
Ensure that the Amazon CloudWatch agent is installed on all EC2 instances
Answers
A.
Ensure that the Amazon CloudWatch agent is installed on all EC2 instances
B.
Create a cron job that is installed on each EC2 instance to periodically delete temporary files.
Answers
B.
Create a cron job that is installed on each EC2 instance to periodically delete temporary files.
C.
Create an Amazon CloudWatch log group for the EC2 instances. Configure a cron job that is installed on each EC2 instance to write the available disk space to a CloudWatch log stream for the relevant EC2 instance.
Answers
C.
Create an Amazon CloudWatch log group for the EC2 instances. Configure a cron job that is installed on each EC2 instance to write the available disk space to a CloudWatch log stream for the relevant EC2 instance.
D.
Create an Amazon CloudWatch alarm to monitor available disk space on all EC2 instances Add the alarm as a safety control to the Systems Manager Automation task.
Answers
D.
Create an Amazon CloudWatch alarm to monitor available disk space on all EC2 instances Add the alarm as a safety control to the Systems Manager Automation task.
E.
Create an AWS Lambda function to periodically check for sufficient available disk space on all EC2 instances by evaluating each EC2 instance's respective Amazon CloudWatch log stream.
Answers
E.
Create an AWS Lambda function to periodically check for sufficient available disk space on all EC2 instances by evaluating each EC2 instance's respective Amazon CloudWatch log stream.
Suggested answer: A, D

Explanation:

* Ensure that the Amazon CloudWatch agent is installed on all EC2 instances:

The Amazon CloudWatch agent collects and logs metrics and sends them to Amazon CloudWatch.

To install the CloudWatch agent:

Download the CloudWatch agent package.

Install the agent on your EC2 instances.

Configure the agent to collect disk space metrics.

* Create an Amazon CloudWatch alarm to monitor available disk space on all EC2 instances Add the alarm as a safety control to the Systems Manager Automation task:

Create CloudWatch alarms to monitor the available disk space and trigger notifications or actions when the disk space falls below a defined threshold.

Add the CloudWatch alarm to the Systems Manager Automation task to halt or fail the task if disk space is insufficient.

To create the alarm:

Navigate to the CloudWatch console and create a new alarm.

Set the metric to monitor (e.g., disk space utilization).

Define the threshold and notification actions.

Amazon CloudWatch agent

Creating Amazon CloudWatch alarms

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asked 16/09/2024
Anu V
34 questions
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