EX342 Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting Exam Info and Questions Sharing

Understand Red Hat EX342 Exam Info

The Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting EX342 exam is designed for IT professionals who want to validate their skills in identifying, analyzing, and resolving issues in Red Hat Enterprise Linux (RHEL) systems. Unlike multiple-choice exams, EX342 requires candidates to solve real-world problems in a hands-on environment, making it highly practical and respected in the Linux and open-source community.

Format: Performance-based (solve tasks in a live system)
Duration: ~4 hours
Delivery: Individual exam kiosk or remote exam
Passing Score: Red Hat does not publish exact cut scores, but candidates are graded based on task completion

Master Red Hat EX342 Exam Objectives

Candidates should be able to perform the following tasks:

Understand and employ general troubleshooting methods
Use a structured approach to isolate and resolve problems.

Diagnose and troubleshoot system startup issues
Work with GRUB, systemd targets, and boot loaders.

Diagnose and troubleshoot file system issues
Identify and fix corrupted filesystems, mount problems, and storage misconfigurations.

Resolve package management issues
Fix missing dependencies, broken packages, and repository misconfigurations.

Troubleshoot and fix network connectivity issues
Address DNS, routing, interface, and firewall-related problems.

Diagnose application issues
Investigate service failures, misconfigurations, and process crashes.

Identify and fix authentication issues
Solve problems with LDAP, Kerberos, PAM, or local authentication.

Gather forensic information for third-party investigations
Collect logs, crash dumps, and system snapshots for escalation.

Preparation Tips for EX342 Exam

Gain strong experience with Red Hat Enterprise Linux system administration.
Practice troubleshooting common Linux issues in a lab or virtual environment.
Review system logs, systemd tools, journalctl, sosreport, and strace usage.
Study Red Hat’s official Diagnostics and Troubleshooting (RH342) course for structured guidance.
Time yourself when practicing, since efficiency is crucial during the exam.

The EX342 exam is challenging but highly rewarding for Linux professionals who want to showcase their troubleshooting expertise. Earning the Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting certification proves you can handle real-world problems that impact system performance, availability, and security. With proper preparation and practice, candidates can succeed and elevate their career in system administration or support engineering.