Here’s a 50 Multiple Choice Questions (MCQs) set focusing on Network Topologies and Network Types, covering essential concepts like bus, star, ring, mesh topologies, LAN, WAN, MAN, PAN, and more.
Network Topologies & Network Types – MCQs
1. What is a network topology?
a) A type of cable used in networking
b) The physical or logical layout of a network
c) A protocol for data transmission
d) A device that connects computers
Answer: b) The physical or logical layout of a network
2. Which topology connects all devices in a single line?
a) Star
b) Bus
c) Ring
d) Mesh
Answer: b) Bus
3. In which topology does each device connect to a central hub?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star
4. What is the main disadvantage of a bus topology?
a) High cost
b) Difficult to troubleshoot
c) Single point of failure (if the backbone fails)
d) Requires specialized hardware
Answer: c) Single point of failure (if the backbone fails)
5. Which topology forms a closed loop?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: c) Ring
6. In a ring topology, how is data transmitted?
a) Randomly
b) Sequentially from one device to another
c) Only through wireless signals
d) Via a central hub
Answer: b) Sequentially from one device to another
7. Which topology provides the highest redundancy?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: d) Mesh
8. What is a major advantage of a star topology?
a) Low cost
b) Easy to add or remove devices
c) No need for cables
d) Uses minimal bandwidth
Answer: b) Easy to add or remove devices
9. Which topology is commonly used in Ethernet LANs?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star
10. What is a hybrid topology?
a) A combination of two or more topologies
b) Only wireless connections
c) A single cable connecting all devices
d) A topology without a central hub
Answer: a) A combination of two or more topologies
11. Which topology is used in Token Ring networks?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: c) Ring
12. What is the main disadvantage of a mesh topology?
a) High cost and complexity
b) Difficult to troubleshoot
c) Slow data transmission
d) No redundancy
Answer: a) High cost and complexity
13. Which topology is best for fault tolerance?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: d) Mesh
14. In which topology does a single cable break affect the entire network?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: a) Bus
15. Which network type covers a small geographic area like an office?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: a) LAN (Local Area Network)
16. What does WAN stand for?
a) Wireless Area Network
b) Wide Area Network
c) Wired Access Network
d) Web Access Network
Answer: b) Wide Area Network
17. Which network type spans a city or large campus?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: c) MAN (Metropolitan Area Network)
18. What is the range of a PAN (Personal Area Network)?
a) A few meters (e.g., Bluetooth, USB)
b) A few kilometers
c) Across countries
d) Only within a single room
Answer: a) A few meters (e.g., Bluetooth, USB)
19. Which network type uses leased lines or satellites?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: b) WAN
20. Which network type is used for IoT devices like smartwatches?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: d) PAN
21. What is the main advantage of a LAN?
a) Covers a large geographic area
b) High-speed data transfer
c) Uses satellite communication
d) Requires minimal cabling
Answer: b) High-speed data transfer
22. Which network type is used by the Internet?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: b) WAN
23. Which topology is used in wireless networks?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: d) Mesh (often in Wi-Fi networks)
24. What is a point-to-point topology?
a) Direct connection between two devices
b) Multiple devices connected in a loop
c) All devices connected to a central hub
d) A network with no fixed structure
Answer: a) Direct connection between two devices
25. Which topology is used in FDDI networks?
a) Bus
b) Star
c) Dual Ring
d) Mesh
Answer: c) Dual Ring
26. What is a tree topology?
a) A combination of star and bus topologies
b) Only wireless connections
c) A single linear connection
d) A fully connected mesh
Answer: a) A combination of star and bus topologies
27. Which network type is used in home networks?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: a) LAN
28. What is the main disadvantage of a ring topology?
a) If one node fails, the whole network fails
b) High cost
c) Difficult to add new devices
d) No redundancy
Answer: a) If one node fails, the whole network fails
29. Which topology is used in SONET networks?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: c) Ring
30. What is the primary benefit of a mesh topology?
a) Low cost
b) High redundancy and fault tolerance
c) Easy installation
d) Centralized control
Answer: b) High redundancy and fault tolerance
31. Which network type is used for intercontinental communication?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: b) WAN
32. What is a fully connected mesh topology?
a) Every device connects to every other device
b) Only wireless connections
c) A single backbone cable
d) A star with multiple hubs
Answer: a) Every device connects to every other device
33. Which topology is easiest to troubleshoot?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star (due to centralized control)
34. Which network type is used in university campuses?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: a) LAN (or sometimes MAN for larger campuses)
35. What is a daisy chain topology?
a) Devices connected in a linear sequence
b) Fully connected mesh
c) Only wireless connections
d) A star with multiple hubs
Answer: a) Devices connected in a linear sequence
36. Which topology is used in early Ethernet networks (10Base2)?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: a) Bus
37. What is the main advantage of a WAN?
a) High-speed local connections
b) Connects geographically dispersed networks
c) Low cost
d) No need for routers
Answer: b) Connects geographically dispersed networks
38. Which network type is used in smart home devices?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: d) PAN (e.g., Bluetooth, Zigbee)
39. Which topology is used in modern Ethernet networks (100Base-TX)?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star
40. What is the main disadvantage of a star topology?
a) Dependency on the central hub
b) High cable cost
c) Difficult to expand
d) No redundancy
Answer: a) Dependency on the central hub
41. Which topology is used in blockchain networks?
a) Bus
b) Star
c) Ring
d) Mesh (Peer-to-Peer)
Answer: d) Mesh (Peer-to-Peer)
42. What is a CAN (Campus Area Network)?
a) A network spanning multiple buildings in a campus
b) A personal Bluetooth network
c) A global satellite network
d) A single-office network
Answer: a) A network spanning multiple buildings in a campus
43. Which topology is used in Zigbee networks?
a) Bus
b) Star
c) Mesh
d) Ring
Answer: c) Mesh
44. What is a SAN (Storage Area Network)?
a) A high-speed network for storage devices
b) A home Wi-Fi network
c) A city-wide network
d) A satellite communication network
Answer: a) A high-speed network for storage devices
45. Which topology is used in 5G networks?
a) Bus
b) Star
c) Mesh
d) Ring
Answer: c) Mesh (for better coverage and reliability)
46. What is the main advantage of a ring topology?
a) No collisions in data transmission
b) Low cost
c) Easy to install
d) No need for cables
Answer: a) No collisions in data transmission
47. Which network type is used in VPNs?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: b) WAN (extends LAN over a wide area)
48. What is a point-to-multipoint topology?
a) One central node communicates with multiple nodes
b) Fully connected mesh
c) Only wireless connections
d) A single linear connection
Answer: a) One central node communicates with multiple nodes
49. Which topology is used in satellite communication?
a) Bus
b) Star
c) Mesh
d) Point-to-Multipoint
Answer: d) Point-to-Multipoint
50. Which network type is used in industrial IoT (IIoT)?
a) LAN
b) WAN
c) MAN
d) PAN
Answer: a) LAN (or sometimes WAN for remote monitoring)
Conclusion
These 50 MCQs cover Network Topologies (Bus, Star, Ring, Mesh, Hybrid) and Network Types (LAN, WAN, MAN, PAN, CAN, SAN). They are useful for exams, interviews, and certifications like CCNA, CompTIA Network+, and university courses.
Would you like additional explanations or more advanced questions? Let me know! 🚀