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best practice Tests for Red Hat Engineer (RHCE) Certification 2022

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Description

the Red Hat Certified Engineer (RHCE) credential helps you to demonstrate skills critical to managing systems in a DevOps environment. One of the key tenets of DevOps is automation and the RHCE is an extension of the knowledge required to automate the deployment, management, and support of multi-system environments — making your credential even more valuable and relevant. By developing automation skills to complement your deployment and configuration expertise, you will show your understanding of how Ansible Automation interacts with other Red Hat technologies.


Existing or future RHCEs and RHCSAs can follow multiple tracks to complete or renew their RHCE certification. View our Red Hat Certified Engineer skill path infographic to see the courses and exams needed for each track.


Study points for the exam

RHCSA exam candidates should be able to accomplish the tasks below without assistance. These have been grouped into several categories.

objectives

Understand and use essential tools

  • Access a shell prompt and issue commands with correct syntax

  • Use input-output redirection (>, >>, |, 2>, etc.)

  • Use grep and regular expressions to analyze text

  • Access remote systems using SSH

  • Log in and switch users in multiuser targets

  • Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2

  • Create and edit text files

  • Create, delete, copy, and move files and directories

  • Create hard and soft links

  • List, set, and change standard ugo/rwx permissions

  • Locate, read, and use system documentation including man, info, and files in /usr/share/doc

Create simple shell scripts

  • Conditionally execute code (use of: if, test, [], etc.)

  • Use Looping constructs (for, etc.) to process file, command line input

  • Process script inputs ($1, $2, etc.)

  • Processing output of shell commands within a script

  • Processing shell command exit codes

Operate running systems

  • Boot, reboot, and shut down a system normally

  • Boot systems into different targets manually

  • Interrupt the boot process in order to gain access to a system

  • Identify CPU/memory intensive processes and kill processes

  • Adjust process scheduling

  • Manage tuning profiles

  • Locate and interpret system log files and journals

  • Preserve system journals

  • Start, stop, and check the status of network services

  • Securely transfer files between systems

Configure local storage

  • List, create, delete partitions on MBR and GPT disks

  • Create and remove physical volumes

  • Assign physical volumes to volume groups

  • Create and delete logical volumes

  • Configure systems to mount file systems at boot by universally unique ID (UUID) or label

  • Add new partitions and logical volumes, and swap to a system non-destructively

Create and configure file systems

  • Create, mount, unmount, and use vfat, ext4, and xfs file systems

  • Mount and unmount network file systems using NFS

  • Extend existing logical volumes

  • Create and configure set-GID directories for collaboration

  • Configure disk compression

  • Manage layered storage

  • Diagnose and correct file permission problems

Deploy, configure, and maintain systems

  • Schedule tasks using at and cron

  • Start and stop services and configure services to start automatically at boot

  • Configure systems to boot into a specific target automatically

  • Configure time service clients

  • Install and update software packages from Red Hat Network, a remote repository, or from the local file system

  • Work with package module streams

  • Modify the system bootloader

Manage basic networking

  • Configure IPv4 and IPv6 addresses

  • Configure hostname resolution

  • Configure network services to start automatically at boot

  • Restrict network access using firewall-cmd/firewall

Manage users and groups

  • Create, delete, and modify local user accounts

  • Change passwords and adjust password aging for local user accounts

  • Create, delete, and modify local groups and group memberships

  • Configure superuser access

Manage security

  • Configure firewall settings using firewall-cmd/firewalld

  • Create and use file access control lists

  • Configure key-based authentication for SSH

  • Set enforcing and permissive modes for SELinux

  • List and identify SELinux file and process context

  • Restore default file contexts

  • Use boolean settings to modify system SELinux settings

  • Diagnose and address routine SELinux policy violations

Manage containers

  • Find and retrieve container images from a remote registry

  • Inspect container images

  • Perform container management using commands such as podman and skopeo

  • Perform basic container management such as running, starting, stopping, and listing running containers

  • Run a service inside a container

  • Configure a container to start automatically as a systemd service

  • Attach persistent storage to a container


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