RedHat RH253 : RedHat Linux Networking and Security Administration
- Exam Code: RH253
- Exam Name: RedHat Linux Networking and Security Administration
- Updated: Sep 13, 2026 Q&As: 100 Questions and Answers
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RedHat RH253 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: System Troubleshooting and Maintenance | - Network diagnostics and performance troubleshooting - Log analysis and system monitoring |
| Topic 2: File Sharing and Remote Access | - Samba file sharing services - NFS configuration and administration - SSH secure remote administration |
| Topic 3: TCP/IP Networking Fundamentals | - IP addressing, subnetting, and routing basics - Network configuration and troubleshooting tools (ifconfig, ip, netstat) |
| Topic 4: Network Services Configuration | - DNS configuration and BIND fundamentals - DHCP server setup and client configuration - Web services (Apache HTTP Server) |
| Topic 5: Mail and Network Communication Services | - Basic SMTP and IMAP/POP concepts - Postfix mail server configuration |
| Topic 6: System Security Administration | - Firewall configuration (iptables) - User authentication and PAM basics - Basic SELinux concepts (version dependent) |
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