Network Layer Protocols
The Network Layer houses many protocols, all of which perform different important functions. We take a brief look at these protocols now: Network Layer Protocols 1. Address Resolution Protocol (ARP): It is used to...
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Routing in Computer Network
Routing is a mechanism that selects a way for data to be transmitted from the source to the destination. Router is a specific device that does routing. A router operates at the network layer...
Data Link Controls in Computer Network
The Data Link Layer provides Data Link Control to ensure reliable data flow across the physical media. In the half-duplex transmission mode, for example, only one device can communicate data at a time. If...
Application Layer of OSI Model
What is the Application Layer? In the OSI model, the layer closest to the end user is the application layer, which means that the application layer and end user may interact directly with the...
Domain Name System – DNS Types and Working
DNS is an abbreviation for Domain Name System. It is a directory service that offers a mapping between a host’s name and its numerical address on the network. It is an essential system for...
Types Of Computer Networks
A computer network is a group of computers connected by a shared communication route. These computers work together to transfer resources from one computer to another, which are provided by or located on the...
Switching in Computer Network
Switching is the process of forwarding packets from one port to another that leads to the destination. When data enters a port, it is referred to as ingress, and when data exits a port,...
Digital Transmission in Computer Network
Digital Transmission is a type of signal transmission in which the signals vary discretely with time between two values: one representing the binary number 0 and the other representing 1. The variable quantity in...
Unguided Transmission Media
An unguided transmission sends electromagnetic waves without the need of a physical medium. As a result, it is sometimes referred to as wireless transmission. Air is the medium through which electromagnetic energy can freely...
TCP/IP Model – Layers and Architecture
The OSI model was a conceptual model, however a more prevalent model which is widely used currently is the TCP/IP model. It was conceived and developed in the 1960s by the US Department of...
