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CN100: Docker Containerization Essentials

CN100: Docker Containerization Essentials by Mirantis teaches cloud engineers and IT professionals how to create, manage, and audit containers using the Docker Engine while mastering image design, single-node networking, and storage best practices. Designed for those adopting containerization from first principles, it addresses the industry’s urgent need for container skills—evidenced by 15,000+ U.S. job listings requiring Docker expertise and an average certified professional salary of $115,000.

This course prepares learners for the Mirantis Docker Certified Associate (DCA) exam with official vendor-authorized courseware and Koenig Solutions’ 30-day lab access for hands-on practice. Graduates gain a globally recognized credential that validates real-world container skills and accelerates career advancement in cloud-native roles.

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Course Overview

CN100: Docker Containerization Essentials by Mirantis is a foundational course designed for IT professionals, DevOps engineers, and software developers seeking to master containerization using the Docker Engine. While no official certification exam is directly tied to CN100, this course prepares learners for real-world implementation and advanced credentials like the Docker Certified Associate (DCA) exam, which validates practical Docker expertise. With over 8 billion Docker container downloads annually and widespread adoption across enterprises like PayPal and ADP, container skills are in high demand. This course equips individuals with best practices in container image design, lifecycle management, and single-node deployment—critical competencies for roles involving cloud infrastructure, application modernization, and CI/CD pipeline optimization.

The course delivers hands-on experience with core Docker technologies including Docker Engine, Dockerfiles, Docker volumes, Docker native networking, multi-stage builds, and software-defined networks for containers. Students engage in practical labs conducted through the Strigo.io lab environment, where they build optimized container images, configure persistent storage using Docker volume creation and management, and implement single-host container networking with service discovery and routing. A key lab project involves creating a production-grade containerized application using Dockerfiles while applying image optimization techniques such as layering and tagging strategies. These exercises simulate real-world scenarios like migrating legacy applications into containers and auditing container configurations for performance and security compliance.

By completing CN100: Docker Containerization Essentials, learners gain skills that align with industry-recognized Docker certifications and position them for career advancement in cloud-native technologies. Professionals with Docker expertise earn median salaries exceeding $110,000 in North America, according to recent labor market data. Koenig Solutions enhances this learning path with Guaranteed-to-Run batches, official Mirantis courseware, and access to expert instructors for 1-on-1 doubt resolution. Graduates are well-prepared to pursue roles in DevOps, platform engineering, or cloud architecture, setting a strong foundation for long-term success in the rapidly evolving container ecosystem.

What You'll Learn

✓Deploy and manage containers using the Docker CLI within Mirantis-supported environments.
✓Construct optimized container images by applying Dockerfile best practices to reduce build time and image size.
✓Implement multi-stage builds to create leaner Docker images for deployment on Mirantis Kubernetes Engine.
✓Configure single-host networking using Docker native models to ensure secure container communication.
✓Provision external storage using Docker volume management to support persistent data requirements in Mirantis environments.
✓Audit container lifecycles and security configurations to identify vulnerabilities and ensure compliance within Mirantis-supported infrastructure.

Prerequisites

Recommended knowledge before taking this course
  • Basic familiarity with the bash shell is recommended for the CN100: Docker Containerization Essentials course by Mirantis, which provides essential skills for containerization professionals.
  • Ability to navigate and manipulate filesystems using command line tools is advised to succeed in the Mirantis Docker containerization training, enabling efficient container management.
  • Experience with command line text editors like vim or nano helps learners adopt best practices in editing configuration files during the Mirantis Docker course.
  • A working knowledge of network and system utilities such as curl, wget, and ping is beneficial for understanding container networking concepts covered in the Mirantis CN100 training.
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Certification Exam

Everything you need to know about the CN100 certification exam

Exam Details
Exam Name
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Not applicable
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CN100: Docker Containerization Essentials

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Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Master CN100: Docker Containerization Essentials Fundamentals
Why use containerization technology Containers versus virtual machines Linux kernel container mechanics Managing full container lifecycles Essential Docker CLI commands Deploying and managing containers Auditing container runtime activity Designing efficient container architectures
2
Day 2– Mirantis Docker Image Creation and Optimization
Understanding layered filesystem architecture Impact of layers on performance Building images using Dockerfiles Optimizing builds via multi-stage Professional image design standards Strategies for minimizing image size Implementing efficient layer caching Securing container image build pipelines
3
Day 3– Single-Host Container Networking Architecture
Docker native networking models Configuring bridge network interfaces Software-defined container networking Facilitating container-to-container traffic Publishing and exposing container ports Automating Docker service discovery Managing container DNS resolution Best practices for network isolation
4
Day 4– Container Storage and Persistent Volumes
Provisioning high-performance external storage Creating robust Docker volumes Managing persistent application data Comparing bind mounts versus volumes Overview of storage driver types Executing volume backup and restore External storage deployment use cases Ensuring enterprise data integrity
5
Day 5– Operational Best Practices and Auditing
Streamlining container deployment workflows Setting resource limits and constraints Configuring container health checks Essential logging and monitoring Advanced container security auditing Scanning images for vulnerabilities Enforcing compliance and security policies Troubleshooting production container issues

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of CN100 certified professionals report career advancement within 6 months

Salary Impact

+18%

Average salary increase reported after obtaining the CN100 certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

5
  • Docker Engineer
  • Container Administrator
  • DevOps Engineer
  • Site Reliability Engineer
  • Cloud Operations Specialist

Companies Hiring

5,000+
Google Amazon Microsoft Accenture Deloitte IBM Red Hat JPMorgan Chase Goldman Sachs Capgemini

and 5,000+ organizations worldwide seeking CN100 certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

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    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

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    SC-300 Certified ✓ Verified
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  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the CN100 training course

Is the Docker certification exam included in the CN100: Docker Containerization Essentials course, and what is the exam fee if separate?
The official Docker exam is not included in the CN100: Docker Containerization Essentials course by Mirantis. You must purchase it separately for $199 USD. This proctored assessment validates your real-world Docker skills and is essential to earn the Docker Certified Associate (DCA) credential.
What training formats are available for CN100: Docker Containerization Essentials, and does Koenig offer Guaranteed-to-Run scheduling?
Koenig offers CN100: Docker Containerization Essentials via live instructor-led online sessions and self-paced on-demand formats. We provide Guaranteed-to-Run scheduling for confirmed batches. This ensures global accessibility and flexible timing, allowing you to master containerization technology without the risk of sudden course cancellations.
How long is lab access provided for CN100: Docker Containerization Essentials, and what type of lab environment is used?
CN100: Docker Containerization Essentials grants 365 days of access to a cloud-based Strigo.io sandbox environment. You only need a Chrome or Firefox browser to participate. This hands-on platform allows you to practice container creation, management, and networking in a secure, interactive setting without local setup.
What is Koenig's rescheduling and cancellation policy for the CN100: Docker Containerization Essentials course?
Koenig permits rescheduling for CN100: Docker Containerization Essentials at no cost if requested 7 days before the start date. Cancellations incur a 15% administrative fee. Requests made within 7 days may face higher charges or credit-only options, depending on specific booking terms and current batch availability.
What is the format, number of questions, passing score, and time limit for the Docker Certified Associate (DCA) exam linked to this course?
The DCA exam is a 90-minute, remotely proctored test featuring 55 questions, including 13 multiple-choice and 42 discrete option multiple-choice (DOMC) items. You need a 70% score to pass. It is designed for professionals with 6–12 months of hands-on Docker experience.
How long is the Docker Certified Associate (DCA) certification valid, and what is the renewal process and cost?
The Docker Certified Associate (DCA) certification remains valid for two years. To renew, you must retake the current $199 exam. Mirantis provides no grace period, so we recommend updating your certification before it expires to maintain your professional credibility and compliance with current industry standards.
What post-training support does Koenig provide after completing CN100: Docker Containerization Essentials?
After finishing CN100: Docker Containerization Essentials, Koenig provides 30 days of dedicated mentor support and community forum access. You also receive expert exam guidance and resource referrals. These tools are designed to help you successfully pass the DCA certification and accelerate your career growth.
What are the prerequisites or prior experience needed to take the CN100: Docker Containerization Essentials course effectively?
To succeed in CN100: Docker Containerization Essentials, you need basic familiarity with bash shell, filesystem navigation, and command-line editors like vim or nano. Knowledge of tools like curl, wget, and ping is helpful. While no prior Docker experience is required, foundational Linux skills ensure you maximize your lab performance.
What is the typical salary impact or career advancement opportunity after completing CN100: Docker Containerization Essentials and earning DCA certification?
DCA-certified professionals often earn between $95,000 and $120,000 annually. Roles like DevOps Engineer are in high demand. Completing CN100: Docker Containerization Essentials builds critical, industry-recognized skills, typically leading to a 15–20% career advancement rate for those pursuing cloud-native technology roles.
How does instructor-led training for CN100: Docker Containerization Essentials compare to self-study in terms of certification success and skill retention?
Instructor-led CN100: Docker Containerization Essentials training boosts certification pass rates by up to 35% over self-study. Koenig’s live sessions provide structured learning, real-time feedback, and guided labs. This interactive approach ensures superior skill retention and direct alignment with the practical requirements of the DCA exam.

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