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Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam Individual
Course Description
Overview
Prove your skills to analyze for common issues
The performance-based Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam (EX342) tests your ability to analyze Red Hat® Enterprise Linux® systems for common issues that may cause degradation or loss of performance and either correct the issues or gather forensic information that can be passed along to a third party.
By passing this exam, you become a Red Hat Certified Specialist, which also counts toward becoming a Red Hat® Certified Architect (RHCA®).
This exam is based on Red Hat Enterprise Linux 8.4.
Audience for this exam
The following audiences may be interested in becoming a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting:
- System administrators who manage Red Hat Enterprise Linux systems
- System administrators who wish to demonstrate problem solving and analysis skills
- A Red Hat Certified Engineer (RHCE) interested in becoming a Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting or a Red Hat Certified Architect (RHCA)
Prerequisites for this exam
Red Hat recommends that candidates for the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam have:
- Taken Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342) or have similar experience troubleshooting Red Hat Enterprise Linux deployments.
- Is a Red Hat Certified Engineer (RHCE) or have equivalent systems administration experience.
- Take our free assessment to find the course that best supports your preparation for this exam.
Objectives
Study points for the exam
To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance.
Candidates for the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam should be able to:
- Understand and employ general methods for troubleshooting
- Collect system information to aid in troubleshooting
- Consult documentation resources to aid in troubleshooting
- Monitor systems for vital characteristics
- Configure systems to send log messages to a centralized host
- Diagnose and troubleshoot system start up issues
- Identify and resolve service failures affecting boot
- Regain root control of a system
- Troubleshoot boot issues
- Identify hardware and hardware problems
- Manage kernel modules and their parameters
- Diagnose and troubleshoot file system issues
- Recover corrupted file systems
- Recover mis-configured or broken LVM configurations
- Recover data from encrypted file systems
- Identify and fix iSCSI issues
- Resolve package management issues
- Resolve package management dependency issues
- Recover a corrupted RPM database
- Identify and restore changed files
- Troubleshoot and fix network connectivity issues
- Use standard tools to verify network connectivity
- Identify and fix network connectivity issues
- Inspect network traffic to aid troubleshooting
- Diagnose application issues
- Identify library dependencies for third-party software
- Identify if an application suffers from memory leaks
- Use standard tools to debug an application
- Identify and fix issues related to SELinux
- Identify and fix authentication issues
- Identify and fix pluggable authentication module (PAM) issues
- Identify and fix LDAP and Kerberos identity management issues
- Gather information to aid third party investigation of issues
- Create kernel crashdumps
- Compile and execute SystemTap modules
Red Hat reserves the right to add, modify, and remove objectives. Such changes will be made public in advance through revisions to this document.
As with all Red Hat performance-based exams, configurations must persist after restart without intervention.
What you need to know
Preparation
Red Hat encourages all candidates for the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam to consider taking the Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342) course. Although, attendance in this class is not required to take the exam.
While attending Red Hat classes can be an important part of one's preparation to take this exam, attending class does not guarantee success on the exam. Previous experience, practice, and native aptitude are also important determinants of success.
Many books and other resources on system administration for Red Hat's products are available. Red Hat does not officially endorse any as preparation guides for its exams. Nevertheless, you may find additional reading deepens understanding and can prove helpful.
Exam format
This exam is a performance-based evaluation of candidates ability to diagnose and fix or otherwise troubleshoot common problems and issues encountered when working with Red Hat Enterprise Linux. Candidates will be required to analyze and in some cases resolve issues with one or more systems and the applications running on them.
Performance-based testing means that candidates must perform tasks similar to what they perform on the job.
This exam consists of one section lasting 4 hours.
Scores and reporting
Official scores for exams come exclusively from Red Hat Certification Central. Red Hat does not authorize examiners or training partners to report results to candidates directly. Scores on the exam are usually reported within 3 U.S. business days.
Exam results are reported as total scores. Red Hat does not report performance on individual items, nor will it provide additional information upon request.
Objectives
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- e-Learning content varies by course and technology.
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Self-Paced Training Terms & Conditions
THIS IS A SELF-PACED VIRTUAL CLASS. AFTER YOU REGISTER, YOU HAVE 30 DAYS TO COMPLETE THE COURSE.
Before you enroll, review the system requirements to ensure that your system meets the minimum requirements for this course. AFTER YOU ARE ENROLLED IN THIS COURSE, YOU WILL NOT BE ABLE TO CANCEL YOUR ENROLLMENT. You are billed for the course when you submit the enrollment form. Self-Paced Virtual Classes are non-refundable. Once you purchase a Self-Paced Virtual Class, you will be charged the full price.
After you receive confirmation that you are enrolled, you will be sent further instructions to access your course material and remote labs. A confirmation email will contain your online link, your ID and password, and additional instructions for starting the course.
You can start the course at any time within 12 months of enrolling for the course. After you register/start the course, you have 30 days to complete your course. Within this 30 days, the self-paced format gives you the opportunity to complete the course at your convenience, at any location, and at your own pace. The course is available 24 hours a day.
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