1) What is a computer network? a) A single computer used by many users b) A group of connected computers and devices c) A wireless mouse connection d) A storage device for files 2) Which of the following is NOT part of a network? a) Transmission media b) Communication device c) Computer hardware d) Paper document 3) What is one advantage of using a network? a) Increases computer size b) Sharing files and hardware c) Slows down communication d) Uses more electricity 4) Which of the following allows users to share printers and scanners? a) Sharing hardware b) Sharing data c) E-commerce d) File backup 5) Online shopping and banking are examples of: a) Internet browsing b) File sharing c) E-commerce d) Local Area Network 6) Which topology connects all computers to a central hub or switch? a) Bus topology b) Ring topology c) Star topology d) Mesh topology 7) In a star topology, what happens if the hub fails? a) Only one node stops b) Whole network stops c) Network becomes faster d) Nothing happens 8) In a bus topology, all computers are connected to: a) A hub b) A central server c) A single backbone cable d) A switch 9) What is the main disadvantage of a bus topology? a) Easy to add computers b) Uses less cable c) Data travels both ways d) Entire network fails if main cable breaks 10) In a ring topology, data travels: a) In both directions b) In one direction around the ring c) Randomly between computers d) Only from server to client 11) Which topology connects every device to every other device? a) Star b) Bus c) Mesh d) Ring 12) What is one advantage of a mesh topology? a) Network stops if one cable breaks b) One device failure does not affect the network c) Uses very few cables d) Hard to manage traffic 13) A LAN (Local Area Network) usually covers: a) A small area like a home or office b) A city c) A country d) The entire world 14) A MAN (Metropolitan Area Network) is used to connect: a) Homes in one street b) Offices in one building c) Computers in one lab d) LANs within a city 15) The Internet is an example of: a) LAN b) MAN c) CAN d) WAN

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