Unit 3875: Network System Administration

1. Introduction to Network System Administration

• Definition and scope of network system administration
• Roles and responsibilities of network administrators
• Importance of network administration in organizational IT infrastructure
• Overview of network types and components

2. Network Monitoring Tools

• Purpose and benefits of network monitoring
• Types of monitoring tools: SNMP, NetFlow, Wireshark, Nagios, SolarWinds
• Monitoring network performance metrics (latency, bandwidth, packet loss)
• Detecting and troubleshooting network issues
• Ensuring network security through monitoring

3. Network Configuration and Management

• Network configuration fundamentals: IP addressing, subnetting, DNS, DHCP
• Configuration protocols: SSH, Telnet, SNMP, NETCONF
• Managing network devices: routers, switches, firewalls
• Automation in network configuration (e.g., Ansible, Puppet)
• Documenting network configurations

4. Network Security Best Practices

• Principles of network security
• Implementing firewalls and access control lists (ACLs)
• Encryption methods: SSL/TLS, IPsec
• Intrusion detection and prevention systems (IDS/IPS)
• User authentication and authorization mechanisms
• Regular security audits and vulnerability assessments

5. Remote Administration Tools

• Importance of remote administration
• Tools overview: Remote Desktop, SSH, VPN, TeamViewer
• Secure remote access techniques
• Remote troubleshooting and management of network devices

6. Network Backup and Recovery

• Importance of backup and recovery in network administration
• Types of backups: full, incremental, differential
• Backup strategies and scheduling
• Recovery processes and testing backups
• Tools for network backup and recovery

7. Virtualization in Network Administration

• Introduction to virtualization technologies
• Virtual machines (VMs) and hypervisors
• Software-defined networking (SDN)
• Network functions virtualization (NFV)
• Benefits of virtualization for network management

8. Network Performance Optimization

• Key performance indicators (KPIs) for networks
• Bandwidth management techniques
• Load balancing methods
• Traffic shaping and Quality of Service (QoS) configurations
• Tools for network performance analysis and optimization

9. Patch Management

• Importance of patch management in network security
• Types of patches: security, bug fixes, feature updates
• Patch deployment strategies and scheduling
• Testing and rollback procedures
• Tools for automated patch management

10. Disaster Recovery Planning

• Understanding disaster recovery and business continuity
• Risk assessment and impact analysis
• Developing a disaster recovery plan for network systems
• Backup and failover solutions
• Regular testing and updating of disaster recovery plans