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Amazon DOP-C02 certification exam is designed to test the skills and knowledge of professionals in the field of DevOps. DevOps is the combination of cultural philosophies, practices, and tools that increase an organization's ability to deliver applications and services at high velocity. AWS Certified DevOps Engineer - Professional certification is intended for individuals who have experience working in a DevOps environment, and who are looking to take their expertise to the next level.

The AWS Certified DevOps Engineer - Professional certification exam consists of multiple-choice questions and requires a passing score of 750 out of 1000 points. DOP-C02 Exam is proctored and can be taken online or at a testing center. Candidates have 180 minutes to complete the exam, and the cost is $300 USD. Upon passing the exam, candidates will receive their AWS Certified DevOps Engineer - Professional certification, which is valid for three years.

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Completing the preparation for the Amazon DOP-C02 exam on time is the most important aspect. The other thing is to prepare for the Amazon DOP-C02 exam by evaluating your preparation using authentic exam questions. ExamsReviews provides the most authentic Amazon DOP-C02 Exam Questions compiled according to the rules and patterns supplied by DOP-C02.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q418-Q423):

NEW QUESTION # 418
A company uses the AWS Cloud Development Kit (AWS CDK) to define its application. The company uses a pipeline that consists of AWS CodePipeline and AWS CodeBuild to deploy the CDK application. The company wants to introduce unit tests to the pipeline to test various infrastructure components. The company wants to ensure that a deployment proceeds if no unit tests result in a failure.
Which combination of steps will enforce the testing requirement in the pipeline? (Select TWO.)

A. Update the CodeBuild build phase commands to run the tests then to deploy the application. Add the -- rollback true flag to the cdk deploy command.
B. Update the CodeBuild build phase commands to run the tests then to deploy the application. Set the OnFailure phase property to ABORT.
C. Update the CodeBuild build phase commands to run the tests then to deploy the application. Add the -- require-approval any-change flag to the cdk deploy command.
D. Create a test that uses the AWS CDK assertions module. Use the template.hasResourceProperties assertion to test that resources have the expected properties.
E. Create a test that uses the cdk diff command. Configure the test to fail if any resources have changed.

Answer: B,D

Explanation:
Comprehensive and Detailed Explanation From Exact Extract of DevOps Engineer Documents Only:
To validate AWS CDK-defined infrastructure, use CDK Assertions (assertions module) to test synthesized CloudFormation templates (e.g., template.hasResourceProperties). Integrate testing into CodeBuild buildspec before deployment, setting OnFailure: ABORT so the pipeline halts if tests fail. This ensures safe continuous delivery following AWS CDK testing best practices.

NEW QUESTION # 419
A DevOps engineer is implementing governance controls for a company that requires its infrastructure to be housed within the United States. The engineer must restrict which AWS Regions can be used, and ensure an alert is sent as soon as possible if any activity outside the governance policy takes place. The controls should be automatically enabled on any new Region outside the United States (US).
Which combination of actions will meet these requirements? (Select TWO.)

A. Configure AWS CloudTrail to send logs to Amazon CloudWatch Logs and enable it for all Regions.
Use a CloudWatch Logs metric filter to send an alert on any service activity in non-US Regions.
B. Write an SCP using the aws: RequestedRegion condition key limiting access to US Regions. Apply the policy to all users, groups, and roles
C. Use an AWS Lambda function to query Amazon Inspector to look for service activity in non-US Regions and send alerts if any activity is found.
D. Create an AWS Organizations SCP that denies access to all non-global services in non-US Regions.
Attach the policy to the root of the organization.
E. Use an AWS Lambda function that checks for AWS service activity and deploy it to all Regions. Write an Amazon EventBridge rule that runs the Lambda function every hour, sending an alert if activity is found in a non-US Region.

Answer: A,D

Explanation:
To implement governance controls that restrict AWS service usage to within the United States and ensure alerts for any activity outside the governance policy, the following actions will meet the requirements:
A). Create an AWS Organizations SCP that denies access to all non-global services in non-US Regions. Attach the policy to the root of the organization. This action will effectively prevent users and roles in all accounts within the organization from accessing services in non-US Regions12.
B). Configure AWS CloudTrail to send logs to Amazon CloudWatch Logs and enable it for all Regions. Use a CloudWatch Logs metric filter to send an alert on any service activity in non-US Regions. This action will allow monitoring of all AWS Regions and will trigger alerts if any activity is detected in non-US Regions, ensuring that the governance team is notified as soon as possible3.
AWS Documentation on Service Control Policies (SCPs) and how they can be used to manage permissions and restrict access based on Regions12.
AWS Documentation on monitoring CloudTrail log files with Amazon CloudWatch Logs to set up alerts for specific activities3.

NEW QUESTION # 420
A company recently deployed its web application on AWS. The company is preparing for a large-scale sales event and must ensure that the web application can scale to meet the demand The application's frontend infrastructure includes an Amazon CloudFront distribution that has an Amazon S3 bucket as an origin. The backend infrastructure includes an Amazon API Gateway API. several AWS Lambda functions, and an Amazon Aurora DB cluster The company's DevOps engineer conducts a load test and identifies that the Lambda functions can fulfill the peak number of requests However, the DevOps engineer notices request latency during the initial burst of requests Most of the requests to the Lambda functions produce queries to the database A large portion of the invocation time is used to establish database connections Which combination of steps will provide the application with the required scalability? (Select TWO)

A. Configure a higher provisioned concurrency for the Lambda functions
B. Use Amazon RDS Proxy to create a proxy for the Aurora database Update the Lambda functions to use the proxy endpoints for database connections.
C. Convert the DB cluster to an Aurora global database Add additional Aurora Replicas in AWS Regions based on the locations of the company's customers.
D. Refactor the Lambda Functions Move the code blocks that initialize database connections into the function handlers.
E. Configure a higher reserved concurrency for the Lambda functions.

Answer: A,B

Explanation:
Explanation
The correct answer is B and E. Configuring a higher provisioned concurrency for the Lambda functions will ensure that the functions are ready to respond to the initial burst of requests without any cold start latency.
Using Amazon RDS Proxy to create a proxy for the Aurora database will enable the Lambda functions to reuse existing database connections and reduce the overhead of establishing new ones. This will also improve the scalability and availability of the database by managing the connection pool size and handling failovers.
Option A is incorrect because reserved concurrency only limits the number of concurrent executions for a function, not pre-warms them. Option C is incorrect because converting the DB cluster to an Aurora global database will not address the issue of database connection latency, and may introduce additional costs and complexity. Option D is incorrect because moving the code blocks that initialize database connections into the function handlers will not improve the performance or scalability of the Lambda functions, and may actually worsen the cold start latency. References:
* AWS Lambda Provisioned Concurrency
* Using Amazon RDS Proxy with AWS Lambda
* Certified DevOps Engineer - Professional (DOP-C02) Study Guide (page 173)

NEW QUESTION # 421
A DevOps engineer uses AWS WAF to manage web ACLs across an AWS account. The DevOps engineer must ensure that AWS WAF is enabled for all Application Load Balancers (ALBs) in the account. The DevOps engineer uses an AWS CloudFormation template to deploy an individual ALB and AWS WAF as part of each application stack ' s deployment process. If AWS WAF is removed from the ALB after the ALB is deployed, AWS WAF must be added to the ALB automatically.
Which solution will meet these requirements with the MOST operational efficiency?

A. Enable AWS Config. Add the alb-waf-enabled managed rule. Create an Amazon EventBridge rule to send all AWS Config ConfigurationItemChangeNotification notification types to an AWS Lambda function. Configure the Lambda function to call the AWS Config start-resource-evaluation API in detective mode.
B. Enable AWS Config. Add the alb-waf-enabled managed rule. Create an AWS Systems Manager Automation document to add AWS WAF to an ALB. Edit the rule to automatically remediate. Select the Systems Manager Automation document as the remediation action.
C. Configure an Amazon EventBridge rule to periodically call an AWS Lambda function that calls the detect-stack-drift API on the CloudFormation template. Configure the Lambda function to modify the ALB attributes with waf.fail_open.enabled set to true if the AWS::WAFv2::WebACLAssociation resource shows a status of drifted.
D. Configure an Amazon EventBridge rule to periodically call an AWS Lambda function that calls the detect-stack-drift API on the CloudFormation template. Configure the Lambda function to delete and redeploy the CloudFormation stack if the AWS::WAFv2::WebACLAssociation resource shows a status of drifted.

Answer: B

Explanation:
AWS Config has a managed rule called alb-waf-enabled that checks whether AWS WAF is enabled on ALBs.
AWS Config supports automatic remediation actions that can be triggered when noncompliance is detected.
By creating a Systems Manager Automation document that adds AWS WAF to the ALB and associating it as the remediation action for the AWS Config rule, the system can automatically detect and remediate any removal of AWS WAF from ALBs without manual intervention.
This is the most operationally efficient and reliable approach to ensure continuous compliance.
Option B lacks automatic remediation. Options C and D rely on drift detection and Lambda, which add complexity and risk downtime during stack replacement.
Reference:
AWS Config Managed Rules: " The alb-waf-enabled rule checks for AWS WAF association with ALBs and supports automatic remediation using Systems Manager Automation. " (AWS Config Managed Rules) AWS Config Remediation: " AWS Config automatic remediation can invoke Systems Manager Automation documents to remediate noncompliance. " (AWS Config Remediation)

NEW QUESTION # 422
A company has a web application that is hosted on Amazon EC2 instances. The company is deploying the application into multiple AWS Regions. The application consists of dynamic content such as WebSocket- based real-time product updates. The company uses Amazon Route 53 to manage all DNS records. Which solution will provide multi-Region access to the application with the LEAST latency?

A. Deploy an Application Load Balancer (ALB) in front of the EC2 instances in each Region. Deploy an Amazon CloudFront distribution with an origin group that contains the ALBs as origins. Create a Route
53 alias record that points to the CloudFront distribution's DNS address.
B. Deploy an Application Load Balancer (ALB) in front of the EC2 instances in each Region. Create a Route 53 A record with a latency-based routing policy. Add IP addresses of the ALBs as the value of the record.
C. Deploy a Network Load Balancer (NLB) in front of the EC2 instances in each Region. Deploy an AWS Global Accelerator standard accelerator with an endpoint group for each NLB. Create a Route 53 alias record that points to the accelerator's DNS address.
D. Deploy a Network Load Balancer (NLB) in front of the EC2 instances in each Region. Create a Route
53 A record with a multivalue answer routing policy. Add IP addresses of the NLBs as the value of the record.

Answer: B

NEW QUESTION # 423
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DOP-C02 Latest Test Labs & DOP-C02 Passguide

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