Exam Name: RedHat Linux Networking and Security Administration
Certification Provider: RedHat
Corresponding Certification: Red Hat Linux
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Instant Download RedHat : RH253 Questions & Answers as PDF & Test Engine
Updated: Sep 17, 2026
No. of Questions: 100 Questions & Answers with Testing Engine
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RedHat RH253 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Mail and Network Communication Services | - Basic SMTP and IMAP/POP concepts - Postfix mail server configuration |
| Network Services Configuration | - DNS configuration and BIND fundamentals - DHCP server setup and client configuration - Web services (Apache HTTP Server) |
| File Sharing and Remote Access | - NFS configuration and administration - SSH secure remote administration - Samba file sharing services |
| TCP/IP Networking Fundamentals | - IP addressing, subnetting, and routing basics - Network configuration and troubleshooting tools (ifconfig, ip, netstat) |
| System Security Administration | - User authentication and PAM basics - Firewall configuration (iptables) - Basic SELinux concepts (version dependent) |
| System Troubleshooting and Maintenance | - Log analysis and system monitoring - Network diagnostics and performance troubleshooting |
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