This video provides an overview of well-known network models.
- [Instructor] Network Models are a conceptual design … of how a computer network is supposed to operate … to accomplish its ultimate goal. … Namely, to deliver packets from one host to another. … The most widely accepted design concept for network models … is the one based on layers … which partitions various network tasks … into groups of closely related networking functions. … For example, Physical layer … focuses on standards and protocols addressing … how to transform a network packet … into a signal depending on the medium … to be used for transmission. … Electrical signals, light pulses, … and air are popular media options, as I already mentioned. … One of the benefits of adopting the layer approach … is separation of concerns. … What I mean here, is an ability to concentrate on the layer … of your choice when developing technologies … without worrying about other layers … as long as there are clearly defined ways … of how one layer interfaces with another. … In our previous lessons, …
- Goals of network forensics
- Using a syslog and Microsoft Log Parser
- Investigating network traffic
- How protocol analysis works
- ARP and DNS poisoning
- Working with network forensics tools
- Using packet sniffers
Skill Level Intermediate
Learning Cryptography and Network Securitywith Lisa Bock1h 45m Intermediate
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Intermediate
What you should know2m 11s
1. Understanding Network Forensics
2. Preparing for a Network Forensics Investigation
3. Investigating Network Events
4. Investigating Network Traffic
5. Network Forensics Tools
Next steps1m 15s
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