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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Linux Networking and Security Administration |
| Exam Number: | RH253 |
| Available Languages: | English |
| Related Certifications: | Red Hat Certified Engineer RHCE |
| Exam Price: | Red Hat course/exam pricing varies by region (see official site) |
| Certificate Validity Period: | Retired / Non-current (no longer offered as an active certification exam) |
| Exam Format: | Hands-on performance tasks* |
| Exam Duration: | ≈330 minutes (5.5 hours, performance-based lab)* |
| Passing Score: | ≈80%* |
| Real Exam Qty: | Performance-based tasks (lab exercises)* |
| Exam Way: | Hands-on lab (performance-based tasks)* |
| Pre Condition: | Prior real-world Red Hat Enterprise Linux administration experience; recommended RH133 or equivalent* |
| Official Syllabus URL: | https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/5/html/deployment_guide/ch59 |
| Section | Objectives |
|---|---|
| Topic 1: Network Services Setup | - Apache Web Server - NIS - SMB/Samba - DHCP - Sendmail and FTP - Other network services - DNS |
| Topic 2: Security Fundamentals | - Kernel security - Introduction to security - Security tools overview - Password security - Local security - Firewall basics - Filesystem security - Developing a security policy |
RedHat Linux Networking and Security Administration is an official Red Hat certification exam, listed under the code RH253. Clearing it earns the Red Hat Linux certification, a Specialist / Training-Level-level credential. It also ties into RHCE, Red Hat Certified Engineer, which makes it a useful anchor for a longer certification plan. For employers, the value is simple: the vendor itself has verified what you know.
You will work through Performance-based tasks (lab exercises)* questions in ≈330 minutes (5.5 hours, performance-based lab)* on the RedHat Linux Networking and Security Administration exam. The content is only half the battle; the clock is the other half. Train both at once: set the ValidDumps test engine to full timed mode, practice skipping and returning to stubborn items, and repeat until finishing with minutes to spare feels normal rather than lucky.
Passing RedHat Linux Networking and Security Administration requires ≈80%*, and the official registration fee is Red Hat course/exam pricing varies by region (see official site). Remember that a retake bills the same Red Hat course/exam pricing varies by region (see official site) all over again, so winging it is the most expensive strategy on the table. A better approach: benchmark yourself with the ValidDumps practice tests first, and schedule the real exam only once your scores sit comfortably and consistently above the requirement.
Prior real-world Red Hat Enterprise Linux administration experience; recommended RH133 or equivalent*
Requirements do evolve, so before you spend a registration fee, verify the current conditions on the official exam page.
Yes. The free demo on this page contains a portion of the complete RedHat Linux Networking and Security Administration question set, enough to judge the accuracy and the clarity of the explanations for yourself. After purchase, updates are free for 365 days, and once your product expires you can extend the update service at a 50% discount.
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The official RedHat Linux Networking and Security Administration syllabus comprises 2 domains. The heaviest hitters are Network Services Setup, Security Fundamentals. The complete outline sits above on this page; walk it top to bottom and mark every line you could not teach to someone else.
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