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OSI layer is a conceptual model that describes the communication functions of a network.
OSI stands for Open Systems Interconnection.
It has 7 layers, each with a specific function.
Layer 1 is the physical layer, responsible for transmitting raw data.
Layer 2 is the data link layer, responsible for error-free transmission of data.
Layer 3 is the network layer, responsible for routing and addressing.
Layer 4 is the transport ...
Various network protocols include TCP/IP, HTTP, FTP, SMTP, DNS, DHCP, and more.
TCP/IP is the most commonly used protocol for internet communication
HTTP is used for web browsing and transferring data between web servers and clients
FTP is used for file transfer between computers
SMTP is used for email communication
DNS is used for domain name resolution
DHCP is used for automatic IP address assignment
Other protocols include
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