All You Need to Know About the AWS Certified DevOps Engineer Professional Guide

Have you ever wondered what makes the industry leader manage their data so smooth with billions of users using their platforms at the same time?

Well something which wonders here is cloud technology. And who owns the major market of this technology? Well, it is for sure Amazon Cloud services. The organizations hence need professionals who master the art of understanding and managing this cloud service with respect to their business. 

AWS DevOps Engineer Certification Course is one such certification that is highly on-demand these days. And when you have decided to go for this certification, we believe that you understand the platform well, and have a good amount of experience using Amazon as well. In case you are a beginner, then you might explore the job roles for associate level.

The AWS Certified DevOps Engineer – Professional exam is intended for individuals who perform a DevOps engineer role with two or more years of experience in provisioning, operating, and managing AWS environments. To become a certified AWS DevOps professional, a sound knowledge of Cloud Computing is essential. Enroll in our finest Cloud Computing Courses to get a well-rounded knowledge.

Exam Details Format

AWS Certified DevOps Engineer – Professional

• Cost: $300 
• Prerequisites: Knowledge of continuous delivery methodologies and how to implement them. You must know how to set up and monitor systems on AWS Cloud Computing.
• Exam Format: Multiple-Choice and Multiple-Answer   
• Skills Validated by the AWS Certification: Set up, monitor and log on to systems on AWS. Design, maintain and manage the tools to automate the operational process to Implement highly available and scalable systems on AWS.
• Certification Validity: 3 Years
• Exam Duration: 170 Minutes
• Passing Scaled Scores: 750

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Recommended Knowledge and Experience

•  Experience developing code in at least one high-level programming language
• Experience building highly automated infrastructures
•  Experience administering operating systems
• Understanding of modern development and operations processes and methodologies

Response Types: 

There are two types of questions on the examination:

1. Multiple choice: Has one correct response and three incorrect responses (distractors).
2. Multiple responses: Has two or more correct responses out of five or more options.

Select one or more responses that best complete the statement or answer the question. Distractors, or incorrect answers, are response options that an examinee with incomplete knowledge or skill would likely choose. However, they are generally plausible responses that fit in the content area defined by the test objective. Unanswered questions are scored as incorrect; there is no penalty for guessing.

Unscored Content

Your examination may include unscored items that are placed on the test to gather statistical information. These items are not identified on the form and do not affect your score.

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Exam Results

The AWS Certified DevOps Engineer - Professional (DOP-C01) examination is a pass or fails an exam. The examination is scored against a minimum standard established by AWS professionals who are guided by certification industry best practices and guidelines.

Your results for the examination are reported as a score from 100–1,000, with a minimum passing score of 750. Your score shows how you performed on the examination as a whole and whether or not you passed. Scaled scoring models are used to equate scores across multiple exam forms that may have slightly different difficulty levels.

Your score report contains a table of classifications of your performance at each section level. This information is designed to provide general feedback concerning your examination performance. The examination uses a compensatory scoring model, which means that you do not need to “pass” the individual sections, only the overall examination. Each section of the examination has a specific weighting, so some sections have more questions than others. The table contains general information, highlighting your strengths and weaknesses. Exercise caution when interpreting section-level feedback. If you are looking to explore more learning opportunities, check out JanBask for better preparation!

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Content Outline

This exam guide includes weightings, test domains, and objectives only. It is not a comprehensive listing of the content on this examination. The table below lists the main content domains and their weightings.

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Domain % of Examination

• Domain 1: SDLC Automation 22%
• Domain 2: Configuration Management and Infrastructure as Code 19%
• Domain 3: Monitoring and Logging 15%
• Domain 4: Policies and Standards Automation 10%
• Domain 5: Incident and Event Response 18%
• Domain 6: High Availability, Fault Tolerance, and Disaster Recovery 16%

Domain 1: SDLC Automation

• 1.1 Apply concepts required to automate a CI/CD pipeline
• 1.2 Determine source control strategies and how to implement them
• 1.3 Apply concepts required to automate and integrate testing
• 1.4 Apply concepts required to build and manage artifacts securely
• 1.5 Determine deployment/delivery strategies (e.g., A/B, Blue/green, Canary, Red/black) and how to implement them using AWS Services

Domain 2: Configuration Management and Infrastructure as Code

• 2.1 Determine deployment services based on deployment needs
• 2.2 Determine application and infrastructure deployment models based on business needs
• 2.3 Apply security concepts in the automation of resource provisioning
• 2.4 Determine how to implement lifecycle hooks on a deployment
• 2.5 Apply concepts required to manage systems using AWS configuration management tools and services

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Domain 3: Monitoring and Logging

• 3.1 Determine how to set up the aggregation, storage, and analysis of logs and metrics
• 3.2 Apply concepts required to automate monitoring and event management of an environment
• 3.3 Apply concepts required to audit, log, and monitor operating systems, infrastructures, and applications
• 3.4 Determine how to implement tagging and other metadata strategies

Domain 4: Policies and Standards Automation

• 4.1 Apply concepts required to enforce standards for logging, metrics, monitoring, testing, and security
• 4.2 Determine how to optimize cost through automation
• 4.3 Apply concepts required to implement governance strategies

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Domain 5: Incident and Event Response

• 5.1 Troubleshoot issues and determine how to restore operations
• 5.2 Determine how to automate event management and alerting
• 5.3 Apply concepts required to implement automated healing
• 5.4 Apply concepts required to set up event-driven automated actions

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Domain 6: High Availability, Fault Tolerance, and Disaster Recovery

• 6.1 Determine appropriate use of multi-AZ versus multi-region architectures
• 6.2 Determine how to implement high availability, scalability, and fault tolerance
• 6.3 Determine the right services based on business needs (e.g., RTO/RPO, cost)
• 6.4 Determine how to design and automate disaster recovery strategies
• 6.5 Evaluate a deployment for points of failure

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Q1) An operator is managing a legacy application on AWS. The application is a monolithic Microsoft Windows program running on a single Amazon EC2 instance. The source code for the application is not available, so the application cannot be modified. The application has a memory leak and malfunctions when memory utilization on the instance goes above 90%. The operator has configured the uniform Amazon CloudWatch agent on the EC2 instance to collect the memory utilization Performance Monitor counter. Which actions should the operator take to prevent the application from malfunctioning? (Select TWO.)

• A) Create an Amazon CloudWatch Events event that publishes to an Amazon SNS topic when memory utilization goes above 80%.
• B) Create a metric filter on memory utilization in Amazon CloudWatch Logs. Create a CloudWatch alarm on the memory utilization filter that publishes to an Amazon SNS topic when the memory utilization goes above 80%.
• C) Create a CloudWatch alarm on the memory utilization metric that publishes to an Amazon SNS topic when the memory utilization goes above 80%.
• D) Subscribe an Amazon Lambda function to the Amazon SNS topic that restarts the application with an AWS Systems Manager Run Command.
• E) Subscribe the EC2 instance to the Amazon SNS topic and run a script that restarts the application.

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 Answer: C, D

 Q2) A company is designing a cross-region disaster recovery solution for an Amazon RDS PostgreSQL Multi-AZ DB instance. The disaster recovery solution requires an RPO of 4 hours and an RTO of 2 hours. Which solution meets the requirements in the MOST cost-effective manner?

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• A) Create an AWS Lambda function that creates an RDS snapshot and copies it to another region. Create an Amazon CloudWatch Events scheduled event to trigger the Lambda function every 4 hours. Create an RDS notification event to publish an Amazon SNS message for database availability events. Subscribe a Lambda function to the SNS topic that will restore the snapshot to a new instance in the disaster recovery region and update the connection string for the application.

• B) Create an AWS Lambda function that generates a SQL dump file and saves it in an Amazon S3 bucket in another region. Create an Amazon CloudWatch Events scheduled event to trigger the Lambda function every 4 hours. Create an RDS notification event to publish an Amazon SNS message for database availability events. Subscribe a Lambda function to the SNS topic that will launch a new database instance, execute the SQL dump file, and update the connection string for the application.

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• C) Create an AWS Lambda function that copies the latest automated snapshot to another region. Create an Amazon CloudWatch Events scheduled event to trigger the Lambda function every 4 hours. Create an RDS notification event to publish an Amazon SNS message for database availability events. Subscribe a Lambda function to the SNS topic that will restore the snapshot to a new instance in the disaster recovery region, and update the connection string for the application.
• D) Configure a read replica for the database instance in a different region. Create an RDS notification event to publish an Amazon SNS message for database availability events. Create an AWS Lambda function that will promote the read replica and update the connection string for the application. Subscribe the Lambda function to the SNS topic.

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Answer: A

 Q3) A company is migrating more than 100 internal applications to AWS. The applications are independent, but all use similar corporate standard architectures. Key areas of the architecture that vary are: · Some applications have both web and application tiers, while others just have a web tier. · If there is a database, it is MySQL, SQL Server or PostgreSQL. (The company plans to manage all databases with Amazon RDS.) ·

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• A) Create two AWS Service Catalog products: one that creates a two-tier architecture and one that creates a three-tier architecture. Pass in the technology stack and the database technology as parameters. Grant the application teams the rights needed to launch the products.
• B) Create two AWS CloudFormation templates: one that creates a two-tier architecture and one that creates a three-tier architecture. Pass in the technology stack and the database technology as parameters. Grant the application teams the rights needed to create the CloudFormation stacks.
• C) Create an AWS CloudFormation template that launches an AWS Elastic Beanstalk web server environment application. Pass in the number of tiers, the technology stack, and the database technology as parameters. Grant the application teams the rights needed to create the CloudFormation stacks.
• D) Create an AWS Service Catalog product that launches an AWS Elastic Beanstalk web server environment application. Pass in the number of tiers, the technology stack, and the database technology as parameters. Grant the application teams the rights needed to launch the product.

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Conclusion on AWS certified DevOps engineer professional

When you spend your time and money, it is advised to make it worthwhile. You can do so when you appear fully prepared in the examinations for AWS certified DevOps engineer professionals. We can be of great help for you there. You can connect with our experts in case you have done your research and have a good amount of questions. However, in case you have just made up your mind for this certification and you are not sure about it, even then we are there for you. Learn how DevOps bridges the gap between the software developers and the operations professionals of businesses of any size or intensity using CICD principles through our comprehensive AWS DevOps Engineer Certification Course . You can even get a free consultation from the experts and we make sure that your efforts are worthwhile. Feel free to contact us or you can even leave a query in the comments section, we will soon reach out to you.