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| Certification Vendor: | Amazon AWS |
|---|---|
| Exam Name: | AWS Certified DevOps Engineer - Professional |
| Exam Number: | DOP-C02 |
| Related Certifications: | AWS Certified Developer - Associate AWS Certified SysOps Administrator - Associate |
| Exam Price: | 300 USD |
| Passing Score: | 750 (scaled score 100โ1000) |
| Certificate Validity Period: | 3 years |
| Available Languages: | Korean, English, Traditional Chinese, Simplified Chinese, Japanese |
| Real Exam Qty: | 75 (65 scored, 10 unscored) |
| Exam Duration: | 180 minutes |
| Exam Format: | Multiple choice, Multiple response |
| Recommended Training: | AWS Training and Certification AWS Certified DevOps Engineer - Professional Exam Guide |
| Exam Registration: | AWS Certification Registration Pearson VUE Registration |
| Sample Questions: | Amazon DOP-C02 Sample Questions |
| Exam Way: | Online proctored or onsite at testing centers |
| Pre Condition: | Recommended: AWS Certified Developer - Associate or AWS Certified SysOps Administrator - Associate, plus 2+ years of hands-on experience provisioning, operating, and managing AWS environments |
| Official Syllabus URL: | https://docs.aws.amazon.com/aws-certification/latest/devops-engineer-professional-02/devops-engineer-professional-02.html |
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Amazon DOP-C02 (AWS Certified DevOps Engineer - Professional) Certification Exam is an advanced-level certification designed for individuals with extensive experience in the field of DevOps. AWS Certified DevOps Engineer - Professional certification exam measures an individual's ability to manage and implement continuous delivery systems and methodologies on the AWS platform. It is ideal for DevOps engineers, system administrators, and developers who are responsible for designing, implementing, and managing DevOps workflows and methodologies.
Amazon DOP-C02 certification is highly valued in the industry, and it is recognized by companies worldwide. It demonstrates the candidate's expertise in designing, deploying, and managing highly available, fault-tolerant, and scalable systems on the AWS platform, and it can open up many career opportunities.
Amazon DOP-C02 Certification Exam consists of multiple-choice and multiple-response questions, which are designed to test the individual's knowledge and skills in various areas of DevOps, such as continuous integration and delivery, infrastructure as code, monitoring, and logging. DOP-C02 exam also covers topics related to security, compliance, and automation, which are critical components of any DevOps practice.
NEW QUESTION # 197
A company's security policies require the use of security hardened AMIS in production environments. A DevOps engineer has used EC2 Image Builder to create a pipeline that builds the AMIs on a recurring schedule.
The DevOps engineer needs to update the launch templates of the companys Auto Scaling groups. The Auto Scaling groups must use the newest AMIS during the launch of Amazon EC2 instances.
Which solution will meet these requirements with the MOST operational efficiency?
Answer: A
Explanation:
Explanation
The most operationally efficient solution is to use AWS Systems Manager Parameter Store1 to store the AMI ID and reference it in the launch template2. This way, the launch template does not need to be updated every time a new AMI is created by Image Builder. Instead, the Image Builder pipeline can update the Parameter Store value with the newest AMI ID3, and the Auto Scaling group can launch instances using the latest value from Parameter Store.
The other solutions require updating the launch template or creating a new version of it every time a new AMI is created, which adds complexity and overhead. Additionally, using EventBridge rules and Lambda functions or Run Command documents introduces additional dependencies and potential points of failure.
References: 1: AWS Systems Manager Parameter Store 2: Using AWS Systems Manager parameters instead of AMI IDs in launch templates 3: Update an SSM parameter with Image Builder
NEW QUESTION # 198
A DevOps engineer is creating an AWS CloudFormation template to deploy a web service. The web service will run on Amazon EC2 instances in a private subnet behind an Application Load Balancer (ALB). The DevOps engineer must ensure that the service can accept requests from clients that have IPv6 addresses.
What should the DevOps engineer do with the CloudFormation template so that IPv6 clients can access the web service?
Answer: A
Explanation:
Explanation
it involves adding an IPv6 CIDR block to the VPC and subnets for the ALB and specifying the dualstack IP address type on the ALB listener. This allows the ALB to listen on both IPv4 and IPv6 addresses, and forward requests to the EC2 instances that are added as targets to the target group associated with the ALB.
NEW QUESTION # 199
A company recently launched multiple applications that use Application Load Balancers. Application response time often slows down when the applications experience problems A DevOps engineer needs to Implement a monitoring solution that alerts the company when the applications begin to perform slowly The DevOps engineer creates an Amazon Simple Notification Semce (Amazon SNS) topic and subscribe the company's email address to the topic What should the DevOps engineer do next to meet the requirements?
Answer: A
Explanation:
Explanation
Option A is incorrect because creating an Amazon EventBridge rule that invokes an AWS Lambda function to query the applications on a 5-minute interval is not a valid solution. EventBridge rules can only trigger Lambda functions based on events, not on time intervals. Moreover, querying the applications on a 5-minute interval might incur unnecessary costs and network overhead, and might not detect performance issues in real time.
Option B is correct because creating an Amazon CloudWatch Synthetics canary that runs a custom script to query the applications on a 5-minute interval is a valid solution. CloudWatch Synthetics canaries are configurable scripts that monitor endpoints and APIs by simulating customer behavior.
Canaries can run as often as once per minute, and can measure the latency and availability of the applications. Canaries can also send notifications to an Amazon SNS topic when they detect errors or performance issues1.
Option C is incorrect because creating an Amazon CloudWatch alarm that uses the AWS/ApplicationELB namespace RequestCountPerTarget metric is not a valid solution. The RequestCountPerTarget metric measures the number of requests completed or connections made per target in a target group2. This metric does not reflect the application response time, which is the requirement. Moreover, configuring the CloudWatch alarm to send a notification when the number of connections becomes greater than the configured number of threads that the application supports is not a valid way to measure the application performance, as it depends on the application design and implementation.
Option D is incorrect because creating an Amazon CloudWatch alarm that uses the AWS/ApplicationELB namespace RequestCountPerTarget metric is not a valid solution, for the same reason as option C. The RequestCountPerTarget metric does not reflect the application response time, which is the requirement. Moreover, configuring the CloudWatch alarm to send a notification when the average response time becomes greater than the longest response time that the application supports is not a valid way to measure the application performance, as it does not account for variability or outliers in the response time distribution.
References:
1: Using synthetic monitoring
2: Application Load Balancer metrics
NEW QUESTION # 200
A DevOps engineer at a company maintains a Git repository that contains AWS Cloud Development Kit (AWS CDK) constructs that are written in TypeScript. Many of the company's applications use the AWS CDK constructs.
The company uses AWS CodePipeline, AWS CodeBuild, and AWS CodeDeploy. The company used AWS CodeConnections to set up its Git source code provider. Each application has its own Git repository configured as a source action within the application's pipeline.
The DevOps engineer must ensure that new releases to the AWS CDK constructs that are qualified for use in production are immediately made available across all applications. The company uses semantic versioning to assign version numbers to releases that can be used in production.
Which solution will meet these requirements?
Answer: A
Explanation:
The constructs are TypeScript-based CDK libraries, so publishing production-qualified versions as npm packages is the clean release model. CodeArtifact is designed for storing and sharing software packages, including npm packages, and supports package version events. AWS documentation states that CodeArtifact creates EventBridge events when package versions are created, modified, or deleted, and AWS provides a pattern to start CodePipeline when a CodeArtifact package version changes. This satisfies semantic versioning and immediately triggers dependent application pipelines when a qualified release is published. Option A tracks a branch instead of production-qualified semantic releases. Option C introduces Git submodule overhead and delayed scheduled execution. Option D authenticates to CodeArtifact during builds but does not automatically notify or trigger all consuming application pipelines.
NEW QUESTION # 201
A software engineering team is using AWS CodeDeploy to deploy a new version of an application. The team wants to ensure that if any issues arise during the deployment, the process can automatically roll back to the previous version.
During the deployment process, a health check confirms the application ' s stability. If the health check fails, the deployment must revert automatically.
Which solution will meet these requirements?
Answer: B
Explanation:
AWS CodeDeploy supports automatic rollback capabilities, which allow the deployment to automatically revert to the last known good revision if a failure occurs during the deployment or if health checks fail.
* You can enable automatic rollback on CodeDeploy deployments by configuring rollback settings in the deployment group.
* Automatic rollback triggers can include failed deployments and alarms failing during the deployment lifecycle, which means if the health check fails, CodeDeploy will automatically roll back without manual intervention.
* Lifecycle event hooks (Option A) provide custom scripting capabilities during deployment but do not provide built-in rollback automation.
* CloudFormation (Option B) can deploy and manage infrastructure but does not control CodeDeploy rollback.
* CloudWatch alarms (Option C) can trigger notifications but require manual or additional automation to trigger rollback. Hence, enabling CodeDeploy's automatic rollback settings is the simplest and most reliable method for automatic rollback upon health check failure.
Reference from AWS Official Documentation and Study Guide:
* AWS CodeDeploy Automatic Rollback: " You can configure automatic rollback in AWS CodeDeploy to roll back a deployment if it fails or if specified CloudWatch alarms are triggered. " (AWS CodeDeploy User Guide - Automatic Rollbacks)
* AWS Certified DevOps Engineer Professional Study Guide: " Leverage CodeDeploy automatic rollback features to reduce downtime and ensure application stability during deployments. "
NEW QUESTION # 202
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