RHEL8 RHCE Exam objectives

As an RHCE exam candidate, you should be able to handle all responsibilities expected of a Red Hat Certified System Administrator, including these tasks:

Be able to perform all tasks expected of a Red Hat Certified System Administrator

Understand and use essential tools
Operate running systems
Configure local storage
Create and configure file systems
Deploy, configure, and maintain systems
Manage users and groups
Manage security

Understand core components of Ansible

Inventories
Modules
Variables
Facts
Plays
Playbooks
Configuration files

Install and configure an Ansible control node

Install required packages
Create a static host inventory file
Create a configuration file

Configure Ansible managed nodes

Create and distribute SSH keys to managed nodes
Configure privilege escalation on managed nodes
Validate a working configuration using ad hoc Ansible commands

Script administration tasks

Create simple shell scripts
Create simple shell scripts that run ad hoc Ansible commands
Create and use static inventories to define groups of hosts
Create Ansible plays and playbooks
Know how to work with commonly used Ansible modules
Use variables to retrieve the results of running a command
Use conditionals to control play execution
Configure error handling
Create playbooks to configure systems to a specified state

Use Ansible modules for system administration tasks that work with:

Software packages and repositories
Services
Firewall rules
File systems
Storage devices
File content
Archiving
Scheduled tasks
Security
Users and groups

Use Ansible advanced features:

Create and use templates to create customized configuration files
Work with Ansible variables and facts
Create and work with roles
Download roles from an Ansible Galaxy and use them
Manage parallelism
Use Ansible Vault in playbooks to protect sensitive data
Use provided documentation to look up specific information about Ansible modules and commands

As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.

Source: Red Hat website.