EX294V8K Red Hat Certified Engineer (RHCE) exam

Opis

The performance-based Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 (EX294) tests your knowledge and skill in managing multiple systems using Red Hat® Ansible® Engine and executing common system administration tasks across a number of systems with Ansible. The skills tested in this exam are the foundation for system administration across many Red Hat products.

By passing this exam, you become an RHCE®, which also counts toward becoming a Red Hat Certified Architect (RHCA®).

This exam is based on Red Hat Enterprise Linux® 8 and Red Hat Ansible Engine 2.7.

Cel

To becoming a Red Hat Certified Engineer (RHCE)

Grupa docelowa:

• Experienced Red Hat Enterprise Linux system administrators seeking validation of their skills or require a certification either by their organization or based on a mandate (DoD 8570 directive)
• Students who have taken Red Hat System Administration III: Linux Automation (RH294) and are on the path to becoming a Red Hat Certified Engineer (RHCE)
• Students who are on the path to becoming a Red Hat Certified Architect (RHCA)
• Systems administrators who want to demonstrate competency in managing multiple systems
• IT professionals who work in a DevOps environment and want to demonstrate competency in automating part of their workload
• Red Hat Certified Engineers who are noncurrent or who are about to become noncurrent and wish to recertify as RHCEs

Uwagi:

Duration: 4.00 hours

Wymagania:

• Have either taken both Red Hat System Administration I (RH124) and Red Hat System Administration II (RH134) or RHCSA Rapid Track Course (RH199), or have comparable work experience as a system administrator on Red Hat Enterprise Linux
• Have taken Red Hat System Administration III: Linux Automation (RH294) or have comparable work experience
• Review the Red Hat Certified System Administrator (RHCSA) exam (EX200) objectives
• Review the Red Hat Certified Engineer (RHCE) exam for Red Hat Enterprise Linux 8 (EX294) objectives

Konspekt

Study points for the exam

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

1. 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
2. Understand core components of Ansible
   • Inventories
   • Modules
   • Variables
   • Facts
   • Plays
   • Playbooks
   • Configuration files
3. Install and configure an Ansible control node
   • Install required packages
   • Create a static host inventory file
   • Create a configuration file
4. 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
5. Script administration tasks
   • Create simple shell scripts
   • Create simple shell scripts that run ad hoc Ansible commands
6. Create and use static inventories to define groups of hosts
7. 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
8. 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
9. Create and use templates to create customized configuration files
10. Work with Ansible variables and facts
11. Create and work with roles
12. Download roles from an Ansible Galaxy and use them
13. Manage parallelism
14. Use Ansible Vault in playbooks to protect sensitive data
15. 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.