Q1. What are the two types of transmission technology available? Ans. The two types of transmission technology are – broadcast and point-to-point. Q2. What is a ‘subnet’? Ans. A ‘subnet’ is a generic term for a section of a large network, usually separated by a bridge or a router. Q3. What is DNS? Ans. The Domain Name System (DNS) is a central part of the Internet, providing a way to match names (a website you’re seeking) to numbers (the address for the website). Anything connected to the Internet – laptops, tablets, mobile phones, and websites – has an Internet Protocol (IP) address made up of numbers. Q4. Explain ‘hidden shares’. Ans. A hidden or an administrative share is a network share that is not visible when viewing another computer’s shares. Q5. How many layers are there in the OSI model? Name them Ans. There are 7 layers – physical, data link, network, transport, session, presentation, and application.
