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Lecture 12: Recent Network Management Systems

Summary

This lecture covers network monitoring tools, selection criteria, and
popular solutions like pfSense. Key topics include visibility, DDoS
protection, and tool comparisons.

Review Questions & Answers

1. What is a network management tool?

Answer:
Software to monitor, maintain, and administer networks. Functions:

• Traffic monitoring
• Device management
• Security enforcement
• Troubleshooting

2. How to choose a network monitoring tool?

Answer:
Consider these 6 factors:

1. Ease of Implementation: Setup time and resources
2. Features: Hardware support, data storage, automation
3. Reporting: Dashboards, bandwidth analysis
4. Scalability: Growth support
5. Integration: Works with routers, SIEMs, etc.
6. DDoS Protection: Early threat detection

New Questions

1. Compare paid vs. free network monitoring tools.
2. How does pfSense differ from commercial firewalls?
3. Why is real-time visibility important?
4. Explain automation in DDoS mitigation.
5. Best tool for multi-location WiFi networks?

Answers to New Questions

1. Paid vs free tools

• Paid: More features, support, but expensive
• Free: Limited but no cost (e.g., pfSense)

2. pfSense vs commercial firewalls

• pfSense: Free, flexible
• Commercial: Better support, more secure

3. Real-time visibility importance

• Spot problems immediately
• Fix issues faster

4. DDoS automation

• Auto-detects attacks
• Blocks bad traffic fast

5. Best WiFi tool

• Aruba AirWave
• Manages many locations easily

Key Tools (2024)

References

• Gartner Tools Review

• Monitoring Guide

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