Syllabus
- Concept of layering. LAN technologies (Ethernet).
- Flow and error control techniques, switching.
- IPv4/IPv6, routers and routing algorithms (distance vector, link state).
- TCP/UDP and sockets, congestion control.
- Application layer protocols (DNS, SMTP, POP, FTP, HTTP).
- Basics of Wi-Fi.
- Network security: authentication, basics of public key and private key cryptography, digital signatures and certificates, firewalls.
Book
- Peterson, Davie
Video
Web Links
Previous Year Questions
http://gateoverflow.in/questions/computer-networks
Important Questions
http://gateoverflow.in/blog/27/important-questions-in-computer-networks
GATE CSE Discussions