Star and bus topology Star topology Bus topology All nodes are connected to central hub All nodes are connected with single cable called backbone It is more expensive It is less expensive Chances of data collision is low Chances of data collision is high Failure of a node may affect entire network Failure of a […]
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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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Get well organized Unit-2 Class 12 IP Database Query Using SQL Notes prepared as per CBSE Syllabus cover all topics to score high marks. SQL Functions Are subprograms used to manipulate data in different ways as: Perform calculations on data Modify data items Format data items to display Summarizes and calculate group of rows SQL
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Create a student table with the student id, name, and marks as attributes where the student id isthe primary key. Insert the details of a new student in the above table. Delete the details of a student in the above table. Use the select command to get the details of the students with marks more
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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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Sumit got good marks in all the subjects. His father gifted him a laptop. He would like to make Sumit aware of health hazards associated with inappropriate and excessive use of laptop. Help his father to list the points which he should discuss with Sumit. Answer Take regular breaks and keep away from screen Wash
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