RedHat RH253 Exam Information and Actual Questions

  • Exam Code/Number: RH253
  • Exam Name/Title: RedHat Linux Networking and Security Administration
  • Certification Provider: RedHat
  • Corresponding Certification: Red Hat Linux

RH253
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RedHat
RH253 Exam
RedHat Linux Networking and Security Administration

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RedHat RH253 Exam Overview:

Certification Vendor:Red Hat
Exam Name:Red Hat Linux Networking and Security Administration
Exam Number:RH253
Exam Price:Varies by region, approx. $400–$500 USD
Exam Duration:330 minutes
Related Certifications:Red Hat Certified Engineer (RHCE)
Available Languages:English
Real Exam Qty:Performance-based tasks
Exam Format:Performance-based lab, Hands-on practical tasks
Certificate Validity Period:3 years (current status); becomes non-current after 3 years
Passing Score:Approx. 80%
Recommended Training:RH253 Official Course
Exam Registration:Red Hat Training & Certification
Exam Way:Onsite proctored lab exam, performed on live RHEL systems
Pre Condition:RH133 Red Hat Linux System Administration or equivalent experience; TCP/IP networking knowledge recommended
Official Syllabus URL:https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/5/html/deployment_guide/ch59

RedHat RH253 Exam Syllabus Topics:

SectionObjectives
System Performance and Security- Filesystem and file permissions security
- Kernel security and hardening
- Password and account security
- Local security fundamentals
- System monitoring and performance tuning
Network Security and Firewall- Firewall configuration with iptables
- SELinux basics and configuration
- Security tools and intrusion detection
- Network access control
- Security policy development
Network Services Configuration- Samba file sharing services
- FTP server management
- DHCP server setup and administration
- DNS server configuration
- Email services (Sendmail/Postfix)
- NFS network file system
- Apache HTTP server deployment


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