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Free PDF 2025 Fantastic DOP-C02: Reliable AWS Certified DevOps Engineer - Professional Test Experience

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Amazon DOP-C02 certification exam is comprised of 75 multiple-choice and multiple-response questions, and the allotted time to complete the exam is 180 minutes. DOP-C02 exam fee is $300, and the test is available in English, Japanese, Korean, and Simplified Chinese. DOP-C02 Exam is administered at a testing center or online, depending on the candidate's preference.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q216-Q221):

NEW QUESTION # 216
A company hired a penetration tester to simulate an internal security breach The tester performed port scans on the company's Amazon EC2 instances. The company's security measures did not detect the port scans.
The company needs a solution that automatically provides notification when port scans are performed on EC2 instances. The company creates and subscribes to an Amazon Simple Notification Service (Amazon SNS) topic.
What should the company do next to meet the requirement?

A. Ensure that Amazon GuardDuty is enabled Create an Amazon CloudWatch alarm for detected EC2 and port scan findings. Connect the alarm to the SNS topic.
B. Ensure that Amazon Inspector is enabled. Create an Amazon EventBridge event for detected CVEs that cause open port vulnerabilities. Connect the event to the SNS topic
C. Ensure that Amazon Inspector is enabled Create an Amazon EventBridge event for detected network reachability findings that indicate port scans Connect the event to the SNS topic.
D. Ensure that AWS CloudTrail is enabled Create an AWS Lambda function to analyze the CloudTrail logs for unusual amounts of traffic from an IP address range Connect the Lambda function to the SNS topic.

Answer: A

Explanation:
Ensure that Amazon GuardDuty is Enabled:
* Amazon GuardDuty is a threat detection service that continuously monitors for malicious activity and unauthorized behavior.
* It can detect port scans and generate findings for these events.
Create an Amazon CloudWatch Alarm for Detected EC2 and Port Scan Findings:
* Configure GuardDuty to monitor for port scans and other threats.
* Create a CloudWatch alarm that triggers when GuardDuty detects port scan activities.
Connect the Alarm to the SNS Topic:
* The CloudWatch alarm should be configured to send notifications to the SNS topic subscribed by the security team.
* This setup ensures that the security team receives near-real-time notifications when a port scan is detected on the EC2 instances.
Example configuration steps:
* Enable GuardDuty and ensure it is monitoring the relevant AWS accounts.
* Create a CloudWatch alarm:
{
"AlarmName": "GuardDutyPortScanAlarm",
"MetricName": "ThreatIntelIndicator",
"Namespace": "AWS/GuardDuty",
"Statistic": "Sum",
"Dimensions": [
{
"Name": "FindingType",
"Value": "Recon:EC2/Portscan"
}
],
"Period": 300,
"EvaluationPeriods": 1,
"Threshold": 1,
"ComparisonOperator": "GreaterThanOrEqualToThreshold",
"AlarmActions": ["arn:aws:sns:region:account-id:SecurityAlerts"]
}
References:
* Amazon GuardDuty
* Creating CloudWatch Alarms for GuardDuty Findings

NEW QUESTION # 217
A company manages AWS accounts for application teams in AWS Control Tower. Individual application teams are responsible for securing their respective AWS accounts.
A DevOps engineer needs to enable Amazon GuardDuty for all AWS accounts in which the application teams have not already enabled GuardDuty. The DevOps engineer is using AWS CloudFormation StackSets from the AWS Control Tower management account.
How should the DevOps engineer configure the CloudFormation template to prevent failure during the StackSets deployment?

A. Use the Conditions section of the CloudFormation template to enable GuardDuty in accounts where GuardDuty is not already enabled.
B. Manually discover the list of AWS account IDs where GuardDuty is not enabled Use the CloudFormation Fn: ImportValue intrinsic function to import the list of account IDs into the CloudFormation template to skip deployment for the listed AWS accounts.
C. Use the CloudFormation Fn. GetAtt intrinsic function to check whether GuardDuty is already enabled If GuardDuty is not already enabled use the Resources section of the CloudFormation template to enable GuardDuty.
D. Create a CloudFormation custom resource that invokes an AWS Lambda function. Configure the Lambda function to conditionally enable GuardDuty if GuardDuty is not already enabled in the accounts.

Answer: D

Explanation:
Explanation
This solution will meet the requirements because it will use a CloudFormation custom resource to execute custom logic during the stack set operation. A custom resource is a resource that you define in your template and that is associated with an AWS Lambda function. The Lambda function runs whenever the custom resource is created, updated, or deleted, and can perform any actions that are supported by the AWS SDK. In this case, the Lambda function can use the GuardDuty API to check whether GuardDuty is already enabled in each target account, and if not, enable it. This way, the DevOps engineer can avoid deploying the stack set to accounts that already have GuardDuty enabled, and prevent failure during the deployment.

NEW QUESTION # 218
A production account has a requirement that any Amazon EC2 instance that has been logged in to manually must be terminated within 24 hours. All applications in the production account are using Auto Scaling groups with the Amazon CloudWatch Logs agent configured.
How can this process be automated?

A. Create an Amazon CloudWatch alarm that will be invoked by the login event. Configure the alarm to send to an Amazon Simple Queue Service (Amazon SQS) queue. Use a group of worker instances to process messages from the queue, which then schedules an Amazon EventBridge rule to be invoked.
B. Create a CloudWatch Logs subscription to an AWS Lambda function. Configure the function to add a tag to the EC2 instance that produced the login event and mark the instance to be decommissioned.Create an Amazon EventBridge rule to invoke a daily Lambda function that terminates all instances with this tag.
C. Create a CloudWatch Logs subscription to an AWS Step Functions application. Configure an AWS Lambda function to add a tag to the EC2 instance that produced the login event and mark the instance to be decommissioned. Create an Amazon EventBridge rule to invoke a second Lambda function once a day that will terminate all instances with this tag.
D. Create an Amazon CloudWatch alarm that will be invoked by the login event. Send the notification to an Amazon Simple Notification Service (Amazon SNS) topic that the operations team is subscribed to, and have them terminate the EC2 instance within 24 hours.

Answer: B

Explanation:
Explanation
"You can use subscriptions to get access to a real-time feed of log events from CloudWatch Logs and have it delivered to other services such as an Amazon Kinesis stream, an Amazon Kinesis Data Firehose stream, or AWS Lambda for custom processing, analysis, or loading to other systems. When log events are sent to the receiving service, they are Base64 encoded and compressed with the gzip format." See
https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/Subscriptions.html

NEW QUESTION # 219
An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). A DevOps engineer is using AWS CodeDeploy to release a new version. The deployment fails during the AlIowTraffic lifecycle event, but a cause for the failure is not indicated in the deployment logs.
What would cause this?

A. The appspec. yml file contains an invalid script that runs in the AllowTraffic lifecycle hook.
B. The health checks specified for the ALB target group are misconfigured.
C. The user who initiated the deployment does not have the necessary permissions to interact with the ALB.
D. The CodeDeploy agent was not installed in the EC2 instances that are pad of the ALB target group.

Answer: B

Explanation:
This failure is typically due to incorrectly configured health checks in Elastic Load Balancing for the Classic Load Balancer, Application Load Balancer, or Network Load Balancer used to manage traffic for the deployment group. To resolve the issue, review and correct any errors in the health check configuration for the load balancer. https://docs.aws.amazon.com/codedeploy/latest/userguide/troubleshooting-deployments.html#troubleshooting-deployments-allowtraffic-no-logs

NEW QUESTION # 220
A company's application runs on Amazon EC2 instances. The application writes to a log file that records the username, date, time: and source IP address of the login. The log is published to a log group in Amazon CloudWatch Logs The company is performing a root cause analysis for an event that occurred on the previous day The company needs to know the number of logins for a specific user from the past 7 days Which solution will provide this information'?

A. Create a CloudWatch Logs metric filter on the log group Use a filter pattern that matches the username.
Publish a CloudWatch metric that sums the number of logins over the past 7 days.
B. Create a CloudWatch Logs Insights query that uses an aggregation function to count the number of logins for the username over the past 7 days. Run the query against the log group
C. Create a CloudWatch Logs subscription on the log group Use a filter pattern that matches the username Publish a CloudWatch metric that sums the number of logins over the past 7 days
D. Create a CloudWatch dashboard. Add a number widget that has a filter pattern that counts the number of logins for the username over the past 7 days directly from the log group

Answer: B

Explanation:
Explanation
To analyze and find the number of logins for a specific user from the past 7 days, a CloudWatch Logs Insights query is the most suitable solution. CloudWatch Logs Insights enables you to interactively search and analyze your log data in Amazon CloudWatch Logs. You can use the query language to perform queries that contain multiple commands, including aggregation functions, which can count the occurrences of logins for a specific username over a specified time period. This approach is more direct and efficient than creating a metric filter or subscription, which would require additional steps to publish and sum a metric. References: AWS Certified DevOps Engineer - Professional, CloudWatch Logs Insights query syntax, Tutorial: Run a query with an aggregation function, Add or remove a number widget from a CloudWatch dashboard.

NEW QUESTION # 221
......

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