Network Devices MCQ Test: Routers, Switches and Hubs Explained

Understand the role of network devices with this detailed MCQ test. Explore routers, switches, hubs and their functionalities.

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  • 📋 Total Questions: 30
  • Time Limit: 30 minutes
  • 📝 Marking Scheme: +1 for each correct answer. No negative marking.
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1. What is the primary function of a router in a network?

  • To connect multiple devices within the same network
  • To manage network traffic between different networks
  • To provide wireless connectivity
  • To amplify network signals

2. Which layer of the OSI model does a switch primarily operate at?

  • Physical layer
  • Data link layer
  • Network layer
  • Transport layer

3. What type of network device forwards data based on MAC addresses?

  • Router
  • Switch
  • Hub
  • Repeater

4. A hub operates at which layer of the OSI model?

  • Physical layer
  • Data link layer
  • Network layer
  • Application layer

5. Which of the following devices is considered "intelligent"?

  • Router
  • Switch
  • Hub
  • Repeater

6. Which network device is used to connect different networks together?

  • Switch
  • Router
  • Hub
  • Bridge

7. What does a repeater do in a network?

  • Amplifies and regenerates signals
  • Routes data packets between networks
  • Stores data temporarily
  • Converts data formats

8. What is a characteristic of a hub?

  • It forwards data to the intended device only
  • It amplifies signals for longer distances
  • It broadcasts data to all connected devices
  • It connects different networks

9. Which device is essential for creating VLANs in a network?

  • Router
  • Hub
  • Switch
  • Gateway

10. What is the main role of a gateway in a network?

  • To connect devices within a LAN
  • To translate and connect different protocols
  • To filter network traffic
  • To regenerate signals

11. What is a managed switch?

  • A switch that operates automatically without configuration
  • A switch with advanced features and configuration options
  • A switch that connects only two devices
  • A switch used only for wireless connections

12. What does a Layer 3 switch combine?

  • Functions of a switch and a router
  • Functions of a hub and a bridge
  • Functions of a gateway and a repeater
  • Functions of a modem and a switch

13. Which network device can perform packet filtering?

  • Hub
  • Switch
  • Router
  • Repeater

14. What is the primary function of a bridge in networking?

  • To extend a network and filter traffic based on MAC addresses
  • To amplify signals in a network
  • To connect multiple networks
  • To route data packets

15. Which device divides a network into multiple collision domains?

  • Hub
  • Router
  • Switch
  • Repeater

16. What is the primary role of a modem in a network?

  • To amplify signals
  • To connect different LANs
  • To convert digital signals to analog and vice versa
  • To filter network traffic

17. What does a wireless access point (WAP) do?

  • Routes traffic between networks
  • Connects wired devices to the network
  • Provides wireless connectivity to devices
  • Encrypts network data

18. Which device uses ARP (Address Resolution Protocol) to map IP addresses to MAC addresses?

  • Router
  • Switch
  • Hub
  • Bridge

19. What is a significant feature of a multilayer switch?

  • Operates only at the data link layer
  • Provides routing capabilities in addition to switching
  • Broadcasts traffic to all connected devices
  • Requires no configuration

20. Which device is most commonly used in modern networks for packet forwarding?

  • Hub
  • Switch
  • Repeater
  • Gateway

21. What protocol does a router use to communicate with other routers?

  • HTTP
  • SMTP
  • Routing protocols like OSPF or BGP
  • DNS

22. Which network device typically uses PoE (Power over Ethernet)?

  • Hub
  • Switch
  • Router
  • Modem

23. What is a disadvantage of using a hub in a network?

  • Creates multiple collision domains
  • Increases network security
  • Causes unnecessary network traffic
  • Requires high maintenance

24. Which device can dynamically assign IP addresses in a network?

  • Router
  • Switch
  • Repeater
  • Hub

25. What is the purpose of a core switch in a network?

  • To connect end-user devices directly
  • To manage traffic between different network segments
  • To amplify weak signals
  • To route data between external networks

26. Which device uses MAC addresses for communication?

  • Router
  • Hub
  • Switch
  • Gateway

27. Which type of switch is ideal for small office networks?

  • Managed switch
  • Unmanaged switch
  • Multilayer switch
  • Core switch

28. What is a characteristic of a VLAN-capable switch?

  • Connects devices automatically
  • Segments a network into logical groups
  • Broadcasts traffic to all ports
  • Requires no configuration

29. In which scenario is a router preferred over a switch?

  • To connect devices within the same network
  • To manage data flow between different networks
  • To extend the range of a Wi-Fi signal
  • To amplify weak signals

30. Which device is commonly used in WAN (Wide Area Network) setups?

  • Switch
  • Router
  • Hub
  • Repeater