1) What is a computer network? a) A device used to display information on a computer screen b) A collection of interconnected computers and devices that can communicate and share resources c) A type of software used to create documents and presentations d) The physical casing that protects a computer’s internal components 2) The physical casing that protects a computer’s internal components a) A network of interconnected local area networks b) A collection of unrelated computers c) c) Interconnection of wide area networks d) d) A single network 3) What is the full form of OSI? a) optical service implementation b) open service Internet c) open system interconnection d) operating system interface 4) What are nodes in a computer network? a) the computer that routes the data b) the computer that terminates the data c) the computer that originates the data d) all of the mentioned 5) What is the term for the data communication system within a building or campus? a) MAN b) LAN c) WAN d) PAN 6) what is a physical or logical arrangement of network a) Topology b) Routing c) Control d) Networking 7) Which of the following are the types of network topology a) Star b) Mesh c) Ring d) All of the above 8) Network ___________ means protecting data and resources from any unauthorized acess a) security b) Devises c) Typologies d) Protocols 9) Suggest the most appropriate topology for the connection between the blocks  a) Ring topology b) Star topology c) Bus topology  d) Mesh topology

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