Why Business Models Matter in Business?

Modern Management Concepts

What is Corporate Philanthropy?

Business Ethics

Stakeholder, Dynamic Capabilities and Sustainable Development Approaches to Strategic Management

Strategic Management

Importance of Innovation Strategies in Organizations

Modern Management Concepts

Becoming a Better You: A Guide to Self-Learning While Working Full-Time

General Business Articles

Proxy and Reverse Proxy Servers

Proxy Server Proxy server is a computer system or application which works as an intermediary for clients searching resources which exist on other servers. It allows different users to access the internet at the same time on a single Internet connection.  It aims to improve the speed of surfing the internet and reducing network traffic. It receives requests from a web user such as a web page or a file available on a different server, then it evaluates at responds to the request. It simplifies this process and controls it. A proxy server is also part of a firewall and helps to prevent hackers from using the internet in order to not let them gain access to computers on a Continue reading

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Data Transmission Modes in Computer Networks

Data communication circuits can be configured in a huge number of arrangements depending on the specifics of the circuit, such as how many stations are on the circuit, type of transmission facility, distance between the stations, how many users at each station and so on. Data communication circuits can however be classified as either two point or multipoint. A two-point configuration involves only two stations, whereas a multipoint configuration involves more than two stations. Regardless of configuration, each station can have one or more computers, computer terminals or workstations. A two point circuit involves the transfer of digital information from a mainframe computer and a personal computer, two mainframe computers, two personal computers or two data communication networks. A multipoint Continue reading

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Factors Affecting the Performance of Computer Networks

Networking is very important in the world of computer. Networking is the activity of connecting the computers to each other to make-up the computer network. In other word is the purpose of sharing data through linking of two or more computing devices together. Networks are built with a mix of computer hardware and computer software. A computer network is a collection of computers and devices connected together via communications devices and transmission media. There are few factors that affect the performance of computer networks. Those factors will reduce the quality of service of the network. The major factors are Latency, Packet loss, Retransmission, Throughput and Queuing delay. 1. Latency Latency is the kinds of delays typically incurred in processing of Continue reading

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Open Systems Interconnection (OSI) Model

Open Systems Interconnection (OSI) model is a reference model developed by ISO (International Organization for Standardization) in 1984, as a conceptual framework of standards for communication in the network across different equipment and applications by different merchants. It is now considered the primary architectural model for inter-computing and inter-networking communications.  There are seven layers within the OSI model that serve to differentiate the various hardware and software functions that a network provides. Each layer depends on the proper functioning of the layer immediately below it to provide its raw functionality, which is enhanced and then passed to the next higher layer. Status messages may be communicated up or down the various layers, although each layer only communicates with its immediate Continue reading

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Network Topology and Types of Network Topologies

A network topology refers to the layout of the computers and devices in a communications network. Network topologies also may be physical or logical. Physical topology means the physical design of a network including design of a network including the devices, location and cable installation. Logical topology refers to how data is actually transferred in a network as opposed to its physical design. Now lets see in detail diffrent types network topologies. Types of Network Topologies The term Topology refers to a connected layout of devices shared in a network. Now we shall go ahead in the discussion of the standard Topologies from the computer networking. An imagination of the shape of the network or the structure of virtual architecture Continue reading

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Applications and Benefits of Voice Over Internet Protocol (VoIP)

Voice communication will certainly remain a basic from of interaction for all of us. The public switched telephone network simply cannot be replaced, or even dramatically changed, in the short term (this may not apply to provide voice networks, however). The immediate goal for voice over internet protocol service providers is to reproduce existing telephone capabilities at a significantly lower “total cost of operation “and to offer a technically competitive alternative to the public switched telephone network. It is the combination of Voice over Internet Protocol (VoIP) with point-of-service applications that shows great promise for the longer term. The first measure of success for voice over internet protocol will be cost saving for long distance calls as long as there Continue reading

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