DevOps Engineer Professional Exam Guide

📘 The AWS Certified DevOps Engineer – Professional (DOP-C02)

The AWS Certified DevOps Engineer – Professional (DOP-C02) isn’t an exam you pass by memorising AWS services. It’s an exam about building, automating, operating, and improving production systems.

This series follows the official DOP-C02 Exam Guide (Version 1.6), with every article mapped directly to one or more official task statements. Rather than covering services in isolation, each article focuses on the skills AWS expects a DevOps engineer to demonstrate in real-world environments.

Unlike my Developer Associate series, this guide is unapologetically terminal-first.

At the Associate level, the AWS Management Console is a useful learning tool. But, at the Professional level, excessive clickops becomes a liability. DevOps is built on automation, repeatability, and Infrastructure as Code. Not clicking through web pages.

🏗️ Hands-On Principles

Every practical exercise in this series follows the same principles.

• Terminal-first: Everything is executed from your local machine or the AWS CloudShell.
• Automation over clickops: If it can be accomplished using the AWS CLI, Infrastructure as Code, or a script, that’s the approach we’ll take.
• Reproducible by design: Every command is copy-and-pasteable, and every environment can be recreated from version-controlled code.
• Production mindset: Infrastructure is treated as code, not something manually configured through the console.
• Clean up after yourself: Every hands-on lab includes teardown steps to avoid leaving billable resources running.

Local Environment Prerequisites

Before beginning the series, you should have the following installed and configured:

• AWS CLI v2
• Git
• jq
• A code editor (Visual Studio Code recommended)
• AWS SAM CLI
• AWS CDK
• CloudFormation

Recommended tools:

• cfn-lint for CloudFormation template validation
• AWS Session Manager plugin for secure instance access without SSH keys or bastion hosts

Exam Overview

Item Details Exam Code DOP-C02 (Exam Guide Version 1.6) Questions 75 total (65 scored, 10 unscored) Question Types Multiple Choice and Multiple Response Duration 180 minutes Scoring 100–1,000 (Passing score: 750) Exam Cost USD $300 Certification Validity 3 years

AWS uses a compensatory scoring model, meaning you do not need to pass every domain individually. Strong performance in one domain can offset weaker performance in another.

Target Candidate

AWS recommends at least two years of experience provisioning, operating, and managing AWS environments, along with practical experience in software development lifecycles, automation, and scripting.

The certification validates your ability to:

• Implement and manage CI/CD systems on AWS
• Build automated testing and deployment pipelines
• Implement Infrastructure as Code at scale
• Automate security controls, governance, and compliance
• Design highly available, scalable, and self-healing systems
• Build monitoring, logging, and observability solutions
• Automate operational and incident response workflows

Topics Outside the Scope

The exam does not expect deep expertise in:

• Advanced networking theory and routing algorithms
• Database design or query optimization
• Full-stack application development
• Writing application business logic
• Deep security architecture beyond operational implementation

Domains, Weightings, and Task Statements

Domain Weight Task Statements 1. SDLC Automation 22% 1.1 CI/CD pipelines · 1.2 Automated testing · 1.3 Artifact management · 1.4 Deployment strategies 2. Configuration Management and Infrastructure as Code 17% 2.1 IaC and reusable components · 2.2 Multi-account and multi-Region automation · 2.3 Automation at scale 3. Resilient Cloud Solutions 15% 3.1 High availability · 3.2 Scalability · 3.3 Automated recovery (RTO/RPO) 4. Monitoring and Logging 15% 4.1 Collecting logs and metrics · 4.2 Auditing and analysis · 4.3 Automated monitoring and event management 5. Incident and Event Response 14% 5.1 Event sources · 5.2 Automated configuration changes · 5.3 Failure investigation and remediation 6. Security and Compliance 17% 6.1 IAM at scale · 6.2 Security controls and data protection · 6.3 Security monitoring and auditing

Throughout this series, you’ll (we’ll…I’ll) build and manage AWS resources from y(our) own local machine using the tools professional engineers rely on every day:

• AWS CLI
• Infrastructure as Code (CloudFormation, AWS SAM, and AWS CDK)
• Shell scripting
• Git
• JSON tooling
• Automation workflows

The AWS Console still appears when it provides useful visibility or helps explain a concept, but it is never the primary way of completing a task.

💡The goal isn’t simply to pass the exam. It’s to build the habits and workflows expected of a professional DevOps engineer.

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