Red Hat EX200: Prerequisites

To be eligible for the test and its associated certificate, you need to have certain skills and knowledge. Thus, you should understand the usage of the essential tools for handling directories, documentation, files, and command-line environments. Also, you need to know how to create simple shell scripts, perform basic container management tasks, and manage groups and users. Your skills in configuring local storage with the use of logical volumes and partitions as well as deploying and maintaining systems, core services, software installation, and updates are also important. You have to possess them if you want to succeed.

Reference: https://www.redhat.com/en/services/training/ex200-red-hat-certified-system-administrator-rhcsa-exam

Objectives of Red Hat EX200 Exam

Exam Objectives. Red Hat Certified Engineer (EX200) exam objectives are outlined in two exam areas: Operations Management and Systems Administration. Reviewing basic RHEL-specific commands is one way to prepare for the exam. Sufficient communication skills are needed to deal with networking, storage, and NFS issues. OSCP exam objectives. The Red Hat Certified Engineer (EX200) exam is available in two formats. Red Hat EX200 Dumps cover all questions of Red Hat EX200 exam. Incredible guide, just what I needed to prepare for the exam. Reference documentation from Red Hat. Cbt covers the concepts you need to understand for Red Hat Certified Engineer (EX200) exam. Targeting Red Hat Enterprise Linux 6 or 7, this exam tests your knowledge in enterprise-class computing. Worth the time. CompTIA Positions. ssh, scp, rsync, nfs. Cbt covers the concepts you need to understand for Red Hat Certified Engineer (EX200) exam. Sections of the Exam. Classroom training. Which Red Hat products does this certification cover? Additional training from Red Hat is recommended.

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Red Hat EX200: Exam topics

The EX200 certification exam covers 10 main topics that you need to master before taking the test. Thus, you should know the following details of the exam content:

• Creating Simple Shell Scripts

  This section covers your full understanding of the usage of Looping constructs to process file and command-line input, script inputs, output of shell commands within a script, and shell command exit codes. Also, you should know how to conditionally execute code.

• Managing Users and Groups

  The domain covers your skills in creating, deleting, and modifying local groups, group memberships, and local user accounts. If you know how to configure superuser access and adjust password aging and change passwords for local user accounts, you will be able to answer the questions from this area.

• Operating Running Systems

  This area requires that you have knowledge of how to manage tuning profiles, preserve system journals, securely transfer files between systems, and adjust process scheduling. You will be able to answer the questions related to the interruption of the boot process in order to gain access to a system, identification of the memory/CPU intensive processes and killing of these processes, as well as adjustment of the process scheduling. This domain also evaluates your knowledge of how to shut down, boot, and reboot a system normally.

• Managing Security

  In this section, there will be the evaluation of your knowledge of how to list and identify process context and SELinux file, address and diagnose routine SELinux policy violations, and use boolean settings to modify system SELinux settings. You need to know about the configuration of firewall settings with the use of firewall-cmd/firewalld and key-based authentication for SSH as well. Restoring default file contexts and setting the enforcing and permissive modes for SELinux are also the skills you should have.

• Understanding and Using Essential Tools

  In this domain, it is important to know how to use regular and grep expressions to analyze text, create soft and hard links, use input-output redirection, and log in the users and switch them in multiuser targets. It also includes your expertise in accessing the remote systems with the use of SSH and shell prompt and issue commands with correct syntax. Your ability to unpack, compress, uncompress, and archive files with the use of star, tar, bzip2, and gzip will be crucial.

• Managing Containers

  This topic is all about your skills in running a service inside a container, attaching persistent storage to a container, and inspecting container images. A potential candidate needs to know how to perform basic container management, such as starting, running, listing, and stopping running containers, and container management with the use of commands, including skopeo and podman. If you know about finding and retrieving the container images from a remote registry, you will be also able to get a higher score during the test.

• Managing Basic Networking

  The subtopics of this objective include your understanding of how to configure hostname resolution, IPv4 & IPv6 addresses, and network services to start automatically at boot. Your skills in restricting network access with the use of firewall-cmd/firewall are also one of the important abilities to possess.

• Creating and Configuring File Systems

  To succeed in this objective, you need to have expertise in configuring disk compression, extending existing logical volumes, managing layered storage, as well as diagnosing and correcting file permission problems. You should also know how to mount and unmount network file systems with the use of NFS, configure and create the set-GID directories, and have the ability to mount, create, use, and unmount ext4, xfs, and vfat file systems.

• Deploying, Configuring, and Maintaining Systems

  For this subject, you need to have skills in scheduling tasks using cron and at, configuring the time service clients, working with package module streams, as well as starting and stopping services and configuring them to start automatically at boot. It is also essential to know how to modify the system bootloader and configure systems to boot into a specific target automatically. Your ability to update and install software packages from a remote repository, Red Hat Network, or from the local file system will also define your overall result.

• Configuring Local Storage

  This topic will test your skills in creating and deleting logical volumes, adding new partitions and logical volumes, swapping to a system non-destructively, and assigning physical volumes to volume groups. It is also important to know how to create, list, and delete partitions on GPT and MBR disks as well as how to configure systems to mount the file systems at boot by universally UUID or label.