Lesson
IoT stands for the "Internet of Things," and it refers to a network of physical objects or devices that are connected to the internet and can communicate with each other. SMTP stands for Simple Mail Transfer Protocol. It is a protocol used for sending email messages over the internet. MQTT is a simple, lightweight messaging protocol used to establish communication between multiple devices. It is a TCP-based protocol relying on the publish-subscribe model. SSH, also known as Secure Shell or Secure Socket Shell, is a network protocol that gives users, particularly system administrators, a secure way to access a computer over an unsecured network. The Client-server model is a distributed application structure that partitions task or workload between the providers of a resource or service, called servers, and service requesters called clients. IP stands for Internet Protocol and v4 stands for Version Four (IPv4). IPv4 was the primary version brought into action for production within the ARPANET in 1983. User Datagram Protocol (UDP) is a communications protocol that is primarily used to establish low-latency and loss-tolerating connections between applications on the internet. TCP (Transmission Control Protocol) is one of the main protocols of the Internet protocol suite. It lies between the Application and Network Layers which are used in providing reliable delivery services. OSI stands for Open Systems Interconnection. It was developed by ISO – ‘International Organization for Standardization ‘, in 1984. TCP/IP stands for Transmission Control Protocol/ Internet Protocol. It is a set of conventions or rules and methods that are used to interconnect network devices on the Internet.