Computer Networks
30 articles in this topic
UDP and Congestion Control in Computer Networks: Headers, Timers and Worked Examples
UDP datagrams preserve message boundaries, while checksum arithmetic, congestion windows, RTT timers and socket calls solve different transport-layer problems. Worked calculations expose the exam traps.
Node.js Routing and Controllers Tutorial: Build a Runnable Express API
Build a small Express users API from scratch, separate routes from controllers, and test successful and failed requests against predictable responses.
Network Security and Cryptography in Computer Networks: How Ciphers, Key Exchange, and TLS Actually Work
Cipher internals for computer networks: ECB vs CBC block modes, HMAC construction, square-and-multiply RSA, a Diffie-Hellman man-in-the-middle, and TLS.
Routing Protocols in Computer Networks: Distance Vector, Link State, RIP, OSPF, BGP with Worked Examples
Build routing from the control plane to Internet-wide policy. Compare how RIP, OSPF, and BGP carry updates, use ports and timers, react to failure, and create common GATE CS traps.
IP Addressing in Computer Networks: Classes, Subnetting, CIDR, and Worked Examples for GATE
Build IP addressing from its 32-bit foundation through classful ranges, subnetting, VLSM, CIDR aggregation, and longest prefix match with checked examples.
Computer Networks for GATE: Syllabus Areas, Weightage Pattern and How to Prepare
Learn what CN covers in GATE, where its questions tend to come from, and how to sequence the subject. Includes verified subnetting and stop-and-wait examples.
Transport Layer Services in Computer Networks: TCP, UDP and Reliability with Worked Examples
Understand process-to-process delivery, compare TCP with UDP, and follow one connection through setup, loss recovery, flow control and closure.
CSMA/CD and ALOHA for GATE: Efficiency and Minimum Frame Size Numericals Solved
Separate one-way delay from round-trip delay, then solve the standard CSMA/CD frame-size and ALOHA throughput numericals step by step.
IPv4 and Network Layer Protocols: Complete Guide with Worked Examples for GATE CS
Build a clear picture of IPv4, its support protocols and the header calculations that matter in GATE CS. Includes a complete fragmentation example.
Cloud Computing and IoT in Computer Networks: Complete Guide with Worked Examples
Learn how cloud models, IoT protocols, network throughput, messaging overhead, and edge latency fit together through three solved examples.
Mobile Technology in Computer Networks: Cellular Concepts, GSM, CDMA and Handoff with Worked Examples
Build a clear picture of cellular networks, GSM roles, CDMA decoding, handoff and Mobile IP, then test it with two fully worked numericals.
Introduction to Computer Networks: Layers, Topologies, Switching and Delay Formulas with Worked Examples
Build the Computer Networks foundation that later CN topics assume, including layer models, topology maths, switching choices and an end-to-end delay calculation.