Unit 3574: Network System Administration

1. Introduction to Network System Administration

• Definition and scope of network system administration
• Roles and responsibilities of a network administrator
• Importance of effective network management
• Key concepts: network topology, LAN/WAN, network services

2. Network Infrastructure Components

• Overview of network hardware
  • Servers: types and functions
  • Routers: routing basics and functions
  • Switches: switching and segmentation
  • Firewalls: purpose and types
• How components interact to enable communication
• Network architecture models (Client-Server, Peer-to-Peer)

3. Network Security Fundamentals

• Principles of network security
• Authentication methods: passwords, multi-factor authentication
• Encryption basics: symmetric and asymmetric encryption
• Firewalls and their role in network security
• Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS)
• Best practices to secure network systems

4. Network Protocols and Standards

• Introduction to protocols and their importance
• TCP/IP suite overview
  • TCP and UDP protocols
  • IP addressing and subnetting basics
• Common protocols:
  • DNS (Domain Name System)
  • DHCP (Dynamic Host Configuration Protocol)
  • HTTP/HTTPS (Hypertext Transfer Protocol)
• Industry standards and compliance importance

5. Network Troubleshooting and Diagnostics

• Common network issues and symptoms
• Troubleshooting methodologies and tools
  • Ping, traceroute, nslookup
  • Network analyzers and packet sniffers
• Diagnosing connectivity problems
• Analyzing network performance metrics
• Implementing effective solutions

6. Network Backup and Recovery Strategies

• Importance of data backup in network administration
• Backup methods: full, incremental, differential
• Disaster recovery planning and procedures
• Ensuring data integrity and availability
• Testing backup and recovery processes

7. Network Monitoring and Performance Optimization

• Purpose and benefits of network monitoring
• Network monitoring tools and software
• Key performance metrics: bandwidth, latency, packet loss
• Analyzing network traffic and identifying bottlenecks
• Techniques for performance optimization

8. Virtualization in Network Administration

• Introduction to virtualization technology
• Virtual machines (VMs) overview
• Virtual networks and their components
• Benefits of virtualization for network administration
• Managing virtualized network environments

9. Cloud Computing in Network Management

• Overview of cloud computing concepts
• Cloud service models: IaaS, PaaS, SaaS
• Cloud deployment models: public, private, hybrid
• Security considerations in cloud environments
• Integrating cloud solutions with existing network infrastructure

10. Compliance and Legal Considerations in Network Administration

• Overview of regulatory compliance requirements
• Data protection laws (e.g., GDPR, HIPAA)
• Privacy regulations affecting network administration
• Ethical considerations and professional conduct
• Documentation and audit readiness