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.

Questions (30)


  1. What is the primary function of a router in a network?

    • a) To connect multiple devices within the same network
    • b) To manage network traffic between different networks
    • c) To provide wireless connectivity
    • d) To amplify network signals
    View Answer
    Correct To manage network traffic between different networks
  2. Which layer of the OSI model does a switch primarily operate at?

    • a) Physical layer
    • b) Data link layer
    • c) Network layer
    • d) Transport layer
    View Answer
    Correct Data link layer
  3. What type of network device forwards data based on MAC addresses?

    • a) Router
    • b) Switch
    • c) Hub
    • d) Repeater
    View Answer
    Correct Switch
  4. A hub operates at which layer of the OSI model?

    • a) Physical layer
    • b) Data link layer
    • c) Network layer
    • d) Application layer
    View Answer
    Correct Physical layer
  5. Which of the following devices is considered "intelligent"?

    • a) Router
    • b) Switch
    • c) Hub
    • d) Repeater
    View Answer
    Correct Switch
  6. Which network device is used to connect different networks together?

    • a) Switch
    • b) Router
    • c) Hub
    • d) Bridge
    View Answer
    Correct Router
  7. What does a repeater do in a network?

    • a) Amplifies and regenerates signals
    • b) Routes data packets between networks
    • c) Stores data temporarily
    • d) Converts data formats
    View Answer
    Correct Amplifies and regenerates signals
  8. What is a characteristic of a hub?

    • a) It forwards data to the intended device only
    • b) It amplifies signals for longer distances
    • c) It broadcasts data to all connected devices
    • d) It connects different networks
    View Answer
    Correct It broadcasts data to all connected devices
  9. Which device is essential for creating VLANs in a network?

    • a) Router
    • b) Hub
    • c) Switch
    • d) Gateway
    View Answer
    Correct Switch
  10. What is the main role of a gateway in a network?

    • a) To connect devices within a LAN
    • b) To translate and connect different protocols
    • c) To filter network traffic
    • d) To regenerate signals
    View Answer
    Correct To translate and connect different protocols
  11. What is a managed switch?

    • a) A switch that operates automatically without configuration
    • b) A switch with advanced features and configuration options
    • c) A switch that connects only two devices
    • d) A switch used only for wireless connections
    View Answer
    Correct A switch with advanced features and configuration options
  12. What does a Layer 3 switch combine?

    • a) Functions of a switch and a router
    • b) Functions of a hub and a bridge
    • c) Functions of a gateway and a repeater
    • d) Functions of a modem and a switch
    View Answer
    Correct Functions of a switch and a router
  13. Which network device can perform packet filtering?

    • a) Hub
    • b) Switch
    • c) Router
    • d) Repeater
    View Answer
    Correct Router
  14. What is the primary function of a bridge in networking?

    • a) To extend a network and filter traffic based on MAC addresses
    • b) To amplify signals in a network
    • c) To connect multiple networks
    • d) To route data packets
    View Answer
    Correct To extend a network and filter traffic based on MAC addresses
  15. Which device divides a network into multiple collision domains?

    • a) Hub
    • b) Router
    • c) Switch
    • d) Repeater
    View Answer
    Correct Switch
  16. What is the primary role of a modem in a network?

    • a) To amplify signals
    • b) To connect different LANs
    • c) To convert digital signals to analog and vice versa
    • d) To filter network traffic
    View Answer
    Correct To convert digital signals to analog and vice versa
  17. What does a wireless access point (WAP) do?

    • a) Routes traffic between networks
    • b) Connects wired devices to the network
    • c) Provides wireless connectivity to devices
    • d) Encrypts network data
    View Answer
    Correct Provides wireless connectivity to devices
  18. Which device uses ARP (Address Resolution Protocol) to map IP addresses to MAC addresses?

    • a) Router
    • b) Switch
    • c) Hub
    • d) Bridge
    View Answer
    Correct Router
  19. What is a significant feature of a multilayer switch?

    • a) Operates only at the data link layer
    • b) Provides routing capabilities in addition to switching
    • c) Broadcasts traffic to all connected devices
    • d) Requires no configuration
    View Answer
    Correct Provides routing capabilities in addition to switching
  20. Which device is most commonly used in modern networks for packet forwarding?

    • a) Hub
    • b) Switch
    • c) Repeater
    • d) Gateway
    View Answer
    Correct Switch
  21. What protocol does a router use to communicate with other routers?

    • a) HTTP
    • b) SMTP
    • c) Routing protocols like OSPF or BGP
    • d) DNS
    View Answer
    Correct Routing protocols like OSPF or BGP
  22. Which network device typically uses PoE (Power over Ethernet)?

    • a) Hub
    • b) Switch
    • c) Router
    • d) Modem
    View Answer
    Correct Switch
  23. What is a disadvantage of using a hub in a network?

    • a) Creates multiple collision domains
    • b) Increases network security
    • c) Causes unnecessary network traffic
    • d) Requires high maintenance
    View Answer
    Correct Causes unnecessary network traffic
  24. Which device can dynamically assign IP addresses in a network?

    • a) Router
    • b) Switch
    • c) Repeater
    • d) Hub
    View Answer
    Correct Router
  25. What is the purpose of a core switch in a network?

    • a) To connect end-user devices directly
    • b) To manage traffic between different network segments
    • c) To amplify weak signals
    • d) To route data between external networks
    View Answer
    Correct To manage traffic between different network segments
  26. Which device uses MAC addresses for communication?

    • a) Router
    • b) Hub
    • c) Switch
    • d) Gateway
    View Answer
    Correct Switch
  27. Which type of switch is ideal for small office networks?

    • a) Managed switch
    • b) Unmanaged switch
    • c) Multilayer switch
    • d) Core switch
    View Answer
    Correct Unmanaged switch
  28. What is a characteristic of a VLAN-capable switch?

    • a) Connects devices automatically
    • b) Segments a network into logical groups
    • c) Broadcasts traffic to all ports
    • d) Requires no configuration
    View Answer
    Correct Segments a network into logical groups
  29. In which scenario is a router preferred over a switch?

    • a) To connect devices within the same network
    • b) To manage data flow between different networks
    • c) To extend the range of a Wi-Fi signal
    • d) To amplify weak signals
    View Answer
    Correct To manage data flow between different networks
  30. Which device is commonly used in WAN (Wide Area Network) setups?

    • a) Switch
    • b) Router
    • c) Hub
    • d) Repeater
    View Answer
    Correct Router

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