A protocol is a standard set of rules that allow electronic devices to communicate with each other. These rules include the type of data that can be transmitted, the commands used to send and receive data, and how data transfers are confirmed.
There are many different applications for protocols to exist. Examples include wired networking (for example, Ethernet), wireless networking, and Internet communication. The Internet protocol suite, which is used to transmit data over the Internet, contains protocols. Link layer protocols establish communication between devices at the hardware level. In order to transmit data from one device to another, the hardware on each device must support the same link layer protocol. Internet layer protocols are used to initiate and transfer data over the Internet. How to define transport layer protocols Packets are sent, received and confirmed. Specific applications for commands that contain application layer protocols. For example, a web browser uses HTTPS to securely download the content of a web page from a web server.
Protocols are a fundamental aspect of digital communication. In most cases, the protocols operate in the background, so that the typical users do not know how each protocol works. However, it may be helpful to familiarize yourself with some common protocols, such as web browsers and email clients.
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