Pass RedHat RHCSA EX200 Exam in First Attempt Easily

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Red Hat EX200 is a prerequisite exam associated with the Red Hat Certified System Administrator (RHCSA) certification that you need to pass if you want to become an accredited specialist who is able to perform the core system administration tasks. These individuals should know which processes are required in the Red Hat Enterprise Linux environments and what to do with them.

Red Hat EX200: Target audience

If you are an experienced Red Hat Enterprise Linux system administrator who is looking for a way to validate the skills, it will be an ideal option for you. This certification exam is also perfect for the DevOps professionals who want to demonstrate their expertise with the fundamentals of container technology. Also, please note that if you are a student who has attended the RH134 (Red Hat System Administration II) and RH124 (Red Hat System Administration I) courses, you can proceed with the test and get the certificate.

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.

Red Hat EX200: Exam details

Red Hat EX200 is a 3-hour test with 20 performance-based questions. To pass this exam, you need to perform well and earn at least 210 points out of 300 available. The test can be delivered via one of three options that include the following:

• Individual exam – can be taken remotely or at one of the affiliated testing centers;
• Classroom exam – a prescheduled option, which is monitored by a proctor at a Red Hat testing facility;
• On-site exam – delivered to your location with a simple setup and at a low daily rate.

The exam voucher will cost you $400, and this amount can be different when choosing the on-site option.

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:

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

• 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.

Red Hat EX200: Career prospects

After successfully passing the EX200 exam and obtaining the RHCSA certification, you will be able to land the following jobs: a Network Administrator, a Systems Administrator, a Linux System Administrator, a Senior Solution Architect, a UNIX System Administrator, or an Identity Management Analyst. As for your potential salary, you can earn from $64,000 to $150,000 per year, depending on the position you opt for.

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