Systems
Computer networks
Packets, IP, TCP, routing and congestion. How data actually crosses the internet.
About 35 hours of study.
Where to learn it
Read
Watch
Computer Networking video lectures
Jim Kurose
Chapters 1–5
The author of the most used networking textbook, teaching it himself.
Section not checked yet
Practise
TryHackMe
TryHackMe
The Pre Security path
Guided rooms with a machine to attack in the browser. Many are free.
Other options
- Computer Networks and Internet Protocol (NPTEL) (watch)
The full course
Wrong chapter, dead link, or know something better? Tell us on GitHub.
Which roles ask for it
- Software engineer (SDE) in the first year
- DevOps / site reliability engineer to get hired
- Quant developer in the first year
- Platform engineer to get hired
- System administrator to get hired
- Penetration tester to get hired
- Security engineer to get hired
- Solutions architect to get hired
- GATE computer science to get hired
- Cloud engineer to get hired
- Application support engineer to get hired
- Security analyst (SOC) to get hired
- Embedded engineer good to have
- UGC NET computer science to get hired
Before and after
Computer networks