Computer Networks
29 articles in this topic
Propositional and Predicate Logic: Truth Tables, Quantifiers and Inference
Propositional and predicate logic for GATE CS: connectives, truth tables, logical equivalences, quantifiers and negation, plus a worked inference proof.
Routing Algorithms: distance vector vs link state, with a worked Dijkstra
Routing algorithms explained: routing vs forwarding, distance vector with Bellman-Ford and count-to-infinity, link state with Dijkstra, plus a worked example.
Application Layer Protocols: DNS, HTTP, and email, with a DNS walk-through
Application layer protocols explained: client-server vs P2P, DNS hierarchy and resolution, HTTP methods and status codes, SMTP POP IMAP, and FTP connections.
TCP vs UDP: the transport layer explained, with the exam angle
TCP vs UDP explained: the transport layer's job, connection-oriented vs connectionless, reliability, congestion control, headers, and when to use each.
IP addressing and subnetting: a worked guide with the exam angle
IP addressing and subnetting explained: IPv4 structure, classful vs CIDR, subnet masks, a fully worked subnetting example with ranges and broadcast addresses.