Open System Interconnection (OSI) model consists of seven major layers. The layer−2 of the OSI stack and the switches working in this layer is layer−2 switch. Similarly, the third layer of this model is called the network layer and the switches working in this layer is layer−3 switch. Initially, Local ... Read More

In this article, we will understand the concept of Kerberos and Radius and the difference between them. The three main components of Kerberos are the computer that contains the database, the ticket−granting server, and the authentication server. RADIUS does not store data in a specific format but rather talks with ... Read More

In Data Communication, the data are transferred from the client to the receiver. During this transmission, there may be a chance of an error occurring due to network problems, interference and using any other ways. So, the error needs to be detected and corrected. For both error detection and correction, ... Read More

Voice data can be sent from one device to another using telephone devices or wireless mode. Voice communication works for all factors including long−distance, local areas, mobile devices, and international numbers. This technology is useful for normal customers and businesses as it provides other features like caller ID, voicemail, text ... Read More

A network contains several groups of devices that communicate with one another through links. Devices are represented as hosts that are connected through switches, routers, hubs, modems, and access points with transmission mediums for communication purposes. Communication protocol specifies set of rules for exchanging data over a suitable network. Each ... Read More

Mobile networks are used for internet connectivity, message services, finding locations, and other types of transmission. Networks that have evolved from 2G to 5G with advanced features in each generation to achieve better performance, reliability, bandwidth, etc. to attract customers by satisfying their requirements and beyond it. Using GPRS users ... Read More

Data transfer can be initiated from the user or client machine by sending a request and at the other end, the server or destination device receives the request, verifies and validates it before sending a response message. Data transmitted are converted into packets or bits as per each layer’s functionalities. ... Read More

OSI model consists of seven layers for data communication over the network. Each layer does its functions and interacts with the above and below layers. Data transmitted are converted into packets or bits as per each layer's functionalities. The application layer of the OSI model is the top layer near ... Read More

Baidu Cloud is a service introduced by China that is used particularly in some parts of China and not used in other countries. It provides a wide range of features that are provided. High−resolution pictures and videos are kept safe and secured in iCloud by iCloud Photos, with lightweight, space−saving ... Read More

HTML and HTTP are related in the sense that HTML is used to create web pages and HTTP is used to transfer these web pages from a server to a client. The HTML programming language is used to generate Web sites, but the HTTP protocol controls how Web data is ... Read More