Concepts Cryptography 03.07.2023 Subnetting 03.07.2023 Block Ciphers 03.07.2023 Application Programming Interface API 03.07.2023 AcronymsApplication Programming Interface APIAutonomous System ASBinary ArithmeticBridgingCongestionCryptographyAlgorithmsBlock CiphersHash FunctionsOther AlgorithmsPublic Key CiphersCertificatesKey ManagementDatagrams and StreamsDomain NamesEncapsulationFlow ControlRequest/ReplySliding WindowHypertextIP AddressAddress ClassesClassless Inter-Domain Routing CIDRSubnettingLANs and WANsNamingNetwork ManagementProtocolASCII Request/ReplyASN.1Protocol layeringDoD Four-Layer ModelOSI Seven-Layer ModelRoutingSocketStandardSwitchingUnreliable Delivery Model