Rh342 red hat enterprise linux diagnostics and troubleshooting

Red Hat Enterprise Linux Diagnostics and Troubleshooting

Location

Red Hat Training and Certification

In order to see pricing, ways to train, and availability, please select a location first.

Ways to train

Classroom
Live, instructor-led training in a standard, professional classroom environment

Virtual
Live, instructor-led training conducted over the internet, with hands-on labs

Online
An online, HTML5, self-paced learning experience available for all courses

On-site
Private training for your entire team, delivered at your location, a training center, or online

Video classroom
High-definition video of our most popular courses, streamed to your laptop or personal device

Already purchased this offering? Log in

See what other students are saying in the Red Hat Learning Community

Overview

Course description

Diagnose problems, gather information, and fix common issues with Red Hat Enterprise Linux

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course (RH342) provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues. Students will work through hands-on problems in various subsystems to diagnose and fix common issues.

Students will learn how to apply the scientific method to a structured form of troubleshooting. This approach is then used troubleshooting various types of problems, including boot issues, hardware issues, storage issues, RPM issues, network issues, third-party application issues, security issues, and kernel issues. At the end of the course students can complete various comprehensive review labs to test their skills.

This course is based on Red Hat Enterprise Linux 7.2.

Course content summary

• Use the scientific method to approach troubleshooting
• Troubleshoot boot issues
• Troubleshoot security issues
• Troubleshoot storage issues
• Troubleshoot network issues

Audience for this course

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.

Prerequisites for this course

Red Hat recommends these prerequisites:

• Have earned a Red Hat Certified System Administrator (RHCSA) or have similar experience
• It is recommend that students have earned a Red Hat Certified Engineer (RHCE) or have similar experience

Outline

Outline for this course

Outcomes

Impact on the organization

This course is intended to develop the skills needed to prevent costly downtime due to system failure and quickly recover failed systems using analysis, diagnosis, and troubleshooting.

Red Hat has created this course in a way intended to benefit our customers, but each company and infrastructure is unique, and actual results or benefits may vary.

Impact on the individual

As a result of attending this course, students should be able to leverage the software development life-cycle process to plan, create, test, and provision host systems within an organization.

Recommended next exam or course

• Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam (EX342)
  Test 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.

Build your skills path

Take this course as part of a Red Hat Learning Subscription, which gives you on-demand, unlimited access to our online learning resources for an entire year.

Verify your knowledge

Fill out a free assessment to establish your skill level on Red Hat products and identify where you can start on the path that a learning subscription can help you travel.

Источник

Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam

Location

Red Hat Training and Certification

In order to see pricing, ways to train, and availability, please select a location first.

Ways to test

Classroom exam
Prescheduled test that is monitored by a proctor and taken on preconfigured hardware at a Red Hat testing facility near you.

On-site exam
Delivered to your location at a low daily rate and with simple setup, this test offers greater flexibility and convenience.

Individual exam
Can be taken at an affiliated testing center or remotely. Testing center exams are hands on and taken on your schedule, using a preconfigured testing station at a Red Hat or Red Hat partner location. Remote exams can be taken virtually from your home or wherever you are, completing an end-to-end path to certification through online testing.

Already purchased this offering? Log in

See what other students are saying in the Red Hat Learning Community

Overview

What you need to know

• You can now test from wherever you are by choosing our remote exam format. Find out more

Exam description

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 7.2.

Audience for this exam

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 or have equivalent systems administration experience.

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.

Recommended next exam or course

In preparation to take this expertise exam, Red Hat recommends:

• Red Hat Enterprise Linux Diagnostics and Troubleshooting (RH342)
• Learn to diagnose problems, gather information, and fix common issues with Red Hat Enterprise Linux.

Источник

Red Hat Enterprise Linux Diagnostics and Troubleshooting with exam

Location

Red Hat Training and Certification

In order to see pricing, ways to train, and availability, please select a location first.

Ways to train

Classroom
Live, instructor-led training in a standard, professional classroom environment

Virtual
Live, instructor-led training conducted over the internet, with hands-on labs

Online
An online, HTML5, self-paced learning experience available for all courses

On-site
Private training for your entire team, delivered at your location, a training center, or online

Video classroom
High-definition video of our most popular courses, streamed to your laptop or personal device

Already purchased this offering? Log in

See what other students are saying in the Red Hat Learning Community

Overview

Course description

Diagnose problems, gather information, and fix common issues with Red Hat Enterprise Linux

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course (RH342) provides system administrators with the tools and techniques they need to successfully diagnose, and fix, a variety of potential issues. Students will work through hands-on problems in various subsystems to diagnose and fix common issues.

This course also includes the exam, Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting exam (EX342). This offering is based on Red Hat Enterprise Linux 7.2.

Students will learn how to apply the scientific method to a structured form of troubleshooting. This approach is then used troubleshooting various types of problems, including boot issues, hardware issues, storage issues, RPM issues, network issues, third-party application issues, security issues, and kernel issues. At the end of the course students can complete various comprehensive review labs to test their skills.

Course summary

• Use the scientific method to approach troubleshooting
• Troubleshoot boot issues
• Troubleshoot security issues
• Troubleshoot storage issues
• Troubleshoot network issues

Audience for this course

The Red Hat Enterprise Linux Diagnostics and Troubleshooting course is aimed at senior system administrators who wish to learn more about troubleshooting.

Prerequisites for this course

Red Hat recommends these prerequisites:

Outline

Outline for this course

Outcomes

Impact on the organization

This course is intended to develop the skills needed to prevent costly downtime due to system failure and quickly recover failed systems using analysis, diagnosis, and troubleshooting.

Red Hat has created this course in a way intended to benefit our customers, but each company and infrastructure is unique, and actual results or benefits may vary.

Impact on the individual

As a result of attending this course, students should be able to analyze the operational state of computer systems and identify potential issues. When problems appear, students will be able to successfully resolve the issue, returning it to a secure and stable working condition.

Students should be able to demonstrate the following skills:

• Diagnostic and analysis procedures
• Preventive maintenance planning and implementation
• System recovery using proven tools and techniques

Recommended next exam or course

Build your skills path

Take this course as part of a Red Hat Learning Subscription, which gives you on-demand, unlimited access to our online learning resources for an entire year.

Verify your knowledge

Fill out a free assessment to establish your skill level on Red Hat products and identify where you can start on the path that a learning subscription can help you travel.

Источник