These note are very nicely written in good handwriting to help student easily grasp the concept and become able to solve the GATE problems. Notes contains theory, concepts and solved examples wherever necessary.
Topic Covered: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.