Red Hat Training

Red Hat Certified Developer in Cloud-native Applications Exam

EX188ExamApplication Services 1 day

The Red Hat Certified Developer in Cloud-native Applications exam (EX188) tests your skills and knowledge of the fundamentals of containers, including the ability to find, customize, run, and manage containerized services in stand-alone environments. This exam is based on RHEL10, Podman v5 and OpenShift Container Platform (OCP) v4.22 but the content is applicable to all OCP and Podman versions.

Earning a passing score on this exam is a requirement to attain the Red Hat Certified Developer in Cloud-native Applications certification.

Exam Delivery

This is a hands-on, practical exam. Rather than answering multiple-choice questions, you are required to perform routine system tasks on a live system to meet specific objective criteria.

The tasks are based on Podman v5. Relevant product documentation is provided during the test, but you must complete the tasks without outside assistance.

Exam results are reported via email 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.

Multiple versions of this exam are in use. Please navigate directly to the Learning Management System (LMS) to view and complete your designated exam version at Red Hat Certification Exam Objectives by Version.

Exam Format

Be sure to review the Red Hat Certification Program Guide to ensure you are familiar with all official policies and exam procedures before booking your session.

The time limit for this exam is 2.5 hours.

What you'll learn

Implement images using Podman and Containerfile: Understand how to specify the container’s base image; Understand how to add content to the container; Understand how to configure the container’s run time environment including user id, working directory and running arbitrary commands; Understand when and how to expose ports from a Containerfile; Understand how to pass environment variables and arguments to an image built from a Containerfile; Understand how to specify the command to be run in a custom image; Understand container volumes including sharing host data with the container; Understand the security and permissions requirements related to host and network access from the container; Understand container and image life cycles and how to manage them
Manage images: Understand private registry security; Interact with many different registries; Understand and use image tags; Push and pull images from and to registries; Back up an image with its layers and meta data vs. backup a container state
Run containers locally using Podman: Run containers locally using Podman, Get container logs, Listen to container events on the container host, Use Podman inspect, Specifying environment parameters, Expose public applications, Get application logs, Inspect running applications
Run multi-container applications with Podman: Create application stacks, Understand container dependencies, Working with environment variables, Working with secrets, Working with volumes, Working with configuration
Troubleshoot containerized applications: Understand the description of application resources, Get application logs, Inspect running applications, Connecting to running containers

Prerequisites

›Candidates for this exam should:
›Have experience using Podman v5 in a Linux environment to create and manage containers
›Red Hat encourages you to consider taking Red Hat OpenShift Developer I: Introduction to Containers with Podman (DO188) to help you prepare for this exams
›Review the Red Hat Certified Developer in Cloud-native Applications exam (EX188) Objectives

Who should attend

›The Red Hat Certified Developer in Cloud-native Applications certification is designed for anyone responsible for creating, managing, or using containers.
›Developers who wish to containerize software applications.
›Administrators who are new to container technology and container orchestration.
›Architects who are considering using container technologies in software architectures.
›Site reliability engineers who are considering using Kubernetes and Red Hat OpenShift
›Performance Rule
›As with all Red Hat performance-based exams, configurations and services must persist and remain functional across the normal lifecycle of the platform without requiring manual intervention to restore or start them.

Recommended next course or exam

A Red Hat Certified System Administrator or Red Hat Certified Developer has demonstrated the baseline hands-on skills required to independently run production workloads, whether managing enterprise systems or building and deploying containerized applications. Because every Red Hat exam is performance-based, this credential tells an employer the holder has actually done the work, not answered questions about it. Holders of this credential are ready to carry out production responsibilities.
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.

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