Question

8 what is a network operating system (nos)? a software application for creating spreadsheets the director of an entire network a peripheral device for printing documents a type of computer virus 9 what is the most common network topology? bus topology star topology tree topology ring topology 10 what type of network is typically confined to a single building? local area network (lan) campus area network (can) metropolitan area network (man) wide area network (wan) 11 what type of network connects multiple lans within a city? local area network (lan) campus area network (can) metropolitan area network (man) wide area network (wan)

Explanation:

• For question 8, a Network Operating System (NOS) manages network resources and enables communication between networked devices, not any of the other options provided.
• For question 9, star topology is popular due to its ease - of - management and fault - tolerance, making it the most common.
• For question 10, a Local Area Network (LAN) is typically confined to a single building or a small area.
• For question 11, a Metropolitan Area Network (MAN) connects multiple LANs within a city.

Answer:

1. None of the above options are correct. A NOS manages network resources and enables communication among networked devices.
2. B. Star topology
3. A. Local Area Network (LAN)
4. C. Metropolitan Area Network (MAN)