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Category Archives: Computer Networks

Prerequisite: Protocols in the Application Layer  File Transfer Protocol(FTP) is an application layer protocol that moves files between local and remote file systems. It runs… Read More
Prerequisite : Sliding Window Protocol – Set 1 (Sender Side), Set 2 (Receiver Side) Why Selective Repeat Protocol? The go-back-n protocol works well if errors… Read More
Prerequisite: Introduction to Internet Protocol version 6  IP version 6 is the new version of Internet Protocol, which is way better than IP version 4… Read More
Prerequisite: HTTP Non-Persistent & Persistent Connection – Set 1 For question point of view you need to know that Non-persistent connection is known as HTTP… Read More
In circuit switching network resources (bandwidth) are divided into pieces and bit delay is constant during a connection. The dedicated path/circuit established between sender and… Read More
Many people rely on the Internet for many of their professional, social and personal activities. But there are also people who attempt to damage our… Read More
The Hypertext Transfer Protocol (HTTP) is an application-level protocol that uses TCP as an underlying transport and typically runs on port 80. HTTP is a… Read More
A firewall is a network security device, either hardware or software-based, which monitors all incoming and outgoing traffic and based on a defined set of… Read More
OSI stands for Open Systems Interconnection. It has been developed by ISO – ‘International Organization for Standardization‘, in the year 1984. It is a 7… Read More
IP v6 was developed by Internet Engineering Task Force (IETF) to deal with the problem of IP v4 exhaustion. IP v6 is a 128-bits address… Read More
Windows  Command Prompt, also known as cmd.exe or cmd (after its executable file name) is a great tool for the people who love command interface… Read More
Computer networking is the practice of connecting computers together to enable communication and data exchange between them.  Here are some basic concepts of computer networking:… Read More
A network is two or more devices connected through a link. A link is a communication pathway that transfers data from one device to another.… Read More
Application Layer:- The application layer is present at the top of the OSI model. It is the layer through which users interact. It provides services… Read More
Transmission mode means transferring data between two devices. It is also known as a communication mode. Buses and networks are designed to allow communication to… Read More

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