Factors that govern the selection of a topology for a network are listed hereunder: Cost Flexibility Reliability Future Expansion Size of network Security
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Following are the topologies mostly used: Star Topology Star topology: It is one of the most commonly used topology. In a star topology, nodes are not connected to each other, instead are connected to a central device called hub or switch. Information sent by a computer is received by hub/switch, which than determines which node
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Various types of networks are: Local Area Network (LAN) A Local Area Network is a collection of interconnected Computers and its associated devices that are located in a close proximity. Wide Area Network (WAN) A Wide Area Network is a collection of interconnected Computers and its associated devices that are located at different Geographic location
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What is computer network When two or more similar things or objects get connected with each other, it becomes a Network. There are various examples of Network as given below: Computer network Mobile network Social Network Organizational Network such as Bank, Airlines, Railway etc. Goals of network Information sharing Resource sharing Storage sharing Enhanced communication
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Get Sumita Arora Textbook Solution of IP Class 12 Unit 3 Chapter 9 Introduction to Computer Network short questions, Long practical Question Answer Short Question Answer What is a network? What are its goals and applications? Discuss and compare various types of network. Explain various mostly used topologies. Discuss the factor that governs the selection
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Download Latest and Complete pdf series of CBSE IP Class 12 Practical Program Worksheets with code and output covers all important topics. Practical Worksheets for Class 12 IP are designed to help students develop logical and analytical capabilities, problem solving skills, and improve their subject knowledge. these worksheets are best study materials for students designed
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Pass information only to the selected destination or node. Higher transmission speed
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Multiply network capacity by joining multiple networks. Filter and forward data signals to other nodes using same protocol. Build large network infrastructure
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A gateway is a node considered as the entrance point to other networks, so that different networks can communicate with each other. It connects different network follows different protocols and different properties. Gateway can be any software, hardware or combination of both. Gateway can acts as a proxy server or firewall.
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A bridge is hardware networking device used to build communication among different computer network (LANs) that follows same protocols. Bridge helps in increasing network capacity by joining multiple networks. Bridge is more intelligent device as it knows which computer is part of which side and so allow those messages to get to the other side
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