NCERT Solutions Class 12 Computer Science Networking and Open Source Concepts. NCERT book for Computer Science in class 12 is strongly recommened by teachers and the CBSE and NCERT boards. Please download the NCERT solutions for class 12 Computer Science free in PDF made by teachers of the best schools in India. These solutions are carefully compiled to give detailed understanding of the concepts and also steps of solutions. The NCERT solutions are free to download in pdf format. Please refer to the download link below to download the pdf file and also refer to other chapters and subjects to get the solutions to Computer Science NCERT book questions and exercises.
Chapter - Networking and Open Source Concepts
Question 1: Identify the Domain name and URL from the following : http://www.income.in/home.aboutus.hml
Answer: Domain name – income.in URL – http://www.income.in/home.aboutus.hml
Question 2: What is Web Hosting?
Answer: Web hosting is the service that makes our website available to be viewed by others on the Internet. A web host provides space on its server, so that other computers around the world can access our website by means of a network or modem.
Question 3: What is the difference between packet & message switching ?
Answer: Packet Switching Message switching There is a tight upper limit on the block size. A fixed size of packet is specified. In message switching there was no upper limit. All the packets are stored in main memory in switching office. In message switching packets are stored on disk. This increases the performance as access time is reduced.
Question 4: Which protocol in used in creating a connection with a remote machine ?
Answer: Telnet : It is an older internet utility that allow us to log on to remote computer system. It also facilitates for terminal emulation purpose.
Question 5: Which protocol is used to create a connection with a remote machine? Give any two advantage of using Optical Fibers.
Answer: Telnet Two advantage of using Optical Fibers are
1. Capable of extremely high speed.
2. No Electromagnetic interference.
3. Extremely low attending
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