A network is a system that connects devices to exchange data and share resources. Learn about network architecture, classifications including LAN, WAN, MAN, PAN, and real-world applications of networks.
The OSI model consists of 7 layers that standardize the network communication process. Learn about each layer's functions, protocols, how it works, and comparison with TCP/IP.
A port (network port) is a logical connection point that identifies a service on a computer. Learn about port classifications, security features, and how to check ports on Windows.
CNAME (Canonical Name Record) is a DNS record that creates an alias for a domain name. Learn about the role, configuration, advantages, disadvantages, and applications of CNAME records.
An LDAP Server is a system that implements the Lightweight Directory Access Protocol, used to store, organize, and manage user information in enterprise networks.
An IP address is a unique string of numbers assigned to each network-connected device for identification and location within the network. Learn about IPv4, IPv6, how to check and hide your IP.
TCP (Transmission Control Protocol) is a reliable data transmission protocol on the Internet. Learn how it works, pros and cons, and TCP vs IP comparison.
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending email over the Internet. Learn how it works, server roles and configuration guide.
Wireshark is an open-source network analysis software. Learn about its features, how it works, pros, cons, and step-by-step installation guide.
