Let us understand the concept of flow control.Flow ControlFlow control is an important procedure to control issues like congestion, overloading, loss of data, etc. Flow control is a service implemented by the receiving device to limit the data rate being sent by the transmitting machine. The stop and wait protocols ... Read More

It is a collection of processes that tells the sender how much data it can send before the data destroys the receiver. The receiving device has finite speed and limited memory to save the data.Thus, the receiving device should be able to instruct the sending device to stop the transmission ... Read More

Data Link Control is the service provided by the Data Link Layer to offer reliable data transfer over the physical channel. It takes the physical layer’s bits and finds an error.This creates an error-free communications path among network nodes over the physical medium, frames messages for communication, tests the integrity ... Read More

DWDM represents Dense Wavelength Division Multiplexing. It is a technology in which several optical signals (laser light) of multiple wavelengths or colors are combined into one signal and are sent over the connecting channel to a lengthy area.When the optical signal transmission distance changes into thousands of kilometers, it results ... Read More

Let us begin by understanding what an antivirus is.AntivirusAntivirus software is a program that acts against virus protection. It can find or see the virus, and following, after finding the nearness of the virus, it works on expelling it from the computer system. Antivirus software works as a prophylactic with ... Read More

Computer Network is an interconnection of numerous computers to share an operating system, hardware, and information through a transmission mode among them. There is no condition to the location between two computers in a network.Elements of Computer NetworkA computer network involves the following elements −Nodes (Workstations) − The multiple terminals ... Read More

Let us understand the concept of electronic commerce.E-CommerceE-Commerce stands for Electronic Commerce. It defines buying and selling of goods, products, or services over the internet. E-commerce is also defined as electronic commerce or internet commerce.These services are supported online over the internet network. Transactions of money, funds, and data are ... Read More

Let us understand the concept of web conferencing.Web ConferencingWeb conferencing is a simple term for several kinds of technologies that enable two or more people from multiple areas to hold a live conference over the Internet. Web conferencing usually takes place over the web using TCP/IP connections.It was created as ... Read More

Let us understand what a network administrator is.Network AdministratorNetwork administration includes a large array of operational functions that support a network to run smoothly and accurately. Network administrators who work in network administration areas, jobs involve complex functions including designing networks for multiple systems, their management, troubleshooting, documentation, providing security, ... Read More

First, let us understand what File Transfer Protocol (FTP) is.FTPFTP represents File transfer protocol. FTP is a standard internet protocol supported by TCP/IP used for sharing the records from one host to another. FTP needs TCP as a transport protocol to help the reliable end-to-end connections and executes two types ... Read More