August 2019

Master SMTP, POP, and IMAP for Seamless Email Success (Updated 2025)

Email is one of the primary services running on the Internet. So, what application, protocol, and services are required for email? The email server stores email messages in a database. Email uses the store-and-forward method for sending and storing messages. Email clients communicate with the servers running mail services to send and receive email. The… Read more

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Master HTTP and HTML and Boost Your Skills With Our 2025 Exclusive Guide

HTTP is an abbreviation for HyperText Transfer Protocol, whereas HTML stands for HyperText Markup Language. Learn About HTTP and HTML are the application-layer protocol that governs data exchange between web servers and clients, while HTML is the markup language used to structure and present content on web pages. HTTP facilitates transmission, whereas HTML defines the

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Master Client-Server and Peer-to-Peer and Boost Your Skills (Updated 2025)

Client-server and Peer-to-Peer terms are often used in computer networks. Both are network models that we use in our day-to-day lives. The Client-Server model focuses on information sharing, whereas the Peer-to-Peer network model focuses on connectivity to remote computers. The detailed explanation of both models is the following:- Client-Server Network Model In the client-server model,

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Master Application Layer and Boost Your Skills With this Exclusive Guide (Updated 2025)

This guide applies to Windows (e.g., 10/11) and Linux (e.g., Ubuntu 22.04). Configure application layer services via Command Prompt (cmd) on Windows or terminal (Ctrl + Alt + T) on Linux, as of 2025. It is the topmost OSI Model layer, consolidating the OSI’s application, presentation, and session layers into the TCP/IP model’s single application

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Master User Datagram Protocol (UDP) With Our Exclusive 2025 Guide

The User Datagram Protocol (UDP) is a lightweight communication protocol optimized for low-latency, loss-tolerant data transmission, ideal for Internet applications. Paired with IP (UDP/IP), it sends datagrams—small data packets—alongside TCP, serving CCNA/CCNP learners in 2025 network design. User Datagram Protocol (UDP) Low Overhead vs Reliability UDP provides basic transport layer functions with lower bandwidth overhead

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Master TCP Reliability and Flow Control With our Exclusive Guide (Updated 2025)

Transmission Control Protocol (TCP) accepts data, segments it into chunks with headers, and encapsulates these into IP datagrams for peer exchange. TCP Reliability and Flow Control ensure complete, ordered delivery on Windows or Linux, critical for 2025 networks as of July 2025. TCP Reliability The TCP segments will possibly arrive at their destination out of

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Master TCP Connection Establishment and Termination – Boost Your Skills (Updated 2025)

All application processes on the server use unique port numbers. The network administrator can use default ports (e.g., 80 for HTTP, 21 for FTP) or configure custom ports manually, ensuring no conflicts. An active server application requiring an open port on the server means the transport layer accepts and processes segments addressed to that port

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Netstat Command, Troubleshoot Connections in Seconds Exclusive 2025 Guide

Knowing which active TCP connections are open on a networked host is crucial, especially with the 2025 IoT growth. The netstat command is a vital tool for verifying these connections on Windows (e.g., 10/11) or Linux, addressing security risks from unexplained connections, a key concern as of 2025 This netstat command shows detailed information about

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TCP vs UDP Explained: Unlock the Secrets of Success 2025 Guide

The TCP and UDP transport layer protocols handle data communications between terminals in an IP network, with TCP and UDP adapting to 2025’s IoT and 5G demands. The TCP is a connection-oriented protocol, and UDP is a connectionless protocol. TCP powers secure file transfers like banking uploads, while UDP drives live sports streaming, meeting 2025’s

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