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Red Hat Certificate of Expertise in Containerized Application Development

CERTIFICATION ONLY

Overview

In preparation

Red Hat highly recommends that candidates for this exam earn Red Hat® Certified System Administrator (RHCSA) before attempting this exam, but it is not required.

Study points for the exam

To help you prepare, review the exam objectives, which highlight the task areas you can expect to see on the exam.

Candidates should have the following skills and abilities:

Implementing images

Understand and use FROM (the concept of a base image)
Understand and use RUN
Understand and use ADD
Understand and use COPY
Understand the difference between ADD & COPY
Understand and use WORKDIR and USER
- Understand security-related topics
Understand the differences and applicability of CMD versus ENTRYPOINT
- Understand ENTRYPOINT with param
Understand and use ONBUILD
Understand when and how to EXPOSE port from a Dockerfile
Understand and use environment variables inside images
- Understand how ENV is used to allow multiple containers work together
Understand container VOLUME
- Mount a host directory as a data volume
  - Understand security and permissions requirement related to this approach
- Create and mount a data volume container
  - Understand lifecycle and "clean up" requirement of this approach

Managing images

Understand private registry security
Interact with many different registries
Understand and use image tags
Push and pull images from/to registries
Backup an image with its layers and meta datas versus backup a container state

Running containers locally

Link containers
- Connect with the linking system
- Understand and apply environment variables naming requirement while using the linking system
Get container logs
Listen to Docker events on the Docker host
Use Docker inspect
Share data between containers
- Use a mounted host directory as a data volume
- Use and mount a data volume container
Understand host and container basic security best practices

Audience Profile

The following audiences may be interested in earning the Red Hat Certificate of Expertise in Containerizing Software Application Development:

Enterprise SOA architects who are interested in moving to a containerized software application pattern
People working in a DevOps environment who need to create, update and run containers in a development environment for eventual migration to production

Prerequisities

Candidates for this exam should:

Have familiarity working in a Red Hat Enterprise Linux environment
Gain the Red Hat Certified System Administrator (RHCSA) credential
Review the Red Hat Certificate of Expertise in Containerizing Software Applications Development objectives

At Course Completion

Preparation

Red Hat also recommends that candidates already have obtained the RHCSA, as many of the skills required for this exam build on skills from the RHCSA exam.

While attending Red Hat classes can be an important part of one's preparation to take this exam, attending class does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.

Many books and other resources on system administration for Red Hat's products are available. Red Hat does not officially endorse any as preparation guides for its exams. Nevertheless, you may find additional reading deepens understanding and can prove helpful.

Exam Format

This exam is a performance-based evaluation of the candidate's Docker development and execution skills and knowledge. Candidates perform tasks associated with the development and execution of Docker images, containerizing services such as database engine or application server. Performance-based testing means that candidates must perform tasks similar to what they perform on the job.

This is a closed exam where candidates do not have access to the Internet and candidates are not permitted to bring any papers, books, or electronic aids to the exam. However, candidates are provided with a local copy of the official community Docker documentation and Red Hat® Enterprise Linux®Atomic Host product documentation. Candidates should familiarize themselves with this documentation when preparing for the exam.

Scores and reporting

Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days.

Exam results are reported as total scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request.

* Price excludes Exam

Course Information
EXAM CODE EX276
DURATION 0.5 Days
CERTIFICATION Red Hat Certificate of Expertise in Containerizing Software Application Development

Red Hat Assessment

PMP, Project Management Professional (PMP), CAPM, Certified Associate in Project Management (CAPM) are registered marks of the Project Management Institute, Inc.