Network Devices MCQ Test: Routers, Switches and Hubs Explained
Questions: 30
Questions
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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
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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
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3. What type of network device forwards data based on MAC addresses?
- a) Router
- b) Switch
- c) Hub
- d) Repeater
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4. A hub operates at which layer of the OSI model?
- a) Physical layer
- b) Data link layer
- c) Network layer
- d) Application layer
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5. Which of the following devices is considered "intelligent"?
- a) Router
- b) Switch
- c) Hub
- d) Repeater
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6. Which network device is used to connect different networks together?
- a) Switch
- b) Router
- c) Hub
- d) Bridge
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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
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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
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9. Which device is essential for creating VLANs in a network?
- a) Router
- b) Hub
- c) Switch
- d) Gateway
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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
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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
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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
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13. Which network device can perform packet filtering?
- a) Hub
- b) Switch
- c) Router
- d) Repeater
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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
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15. Which device divides a network into multiple collision domains?
- a) Hub
- b) Router
- c) Switch
- d) Repeater
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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
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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
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18. Which device uses ARP (Address Resolution Protocol) to map IP addresses to MAC addresses?
- a) Router
- b) Switch
- c) Hub
- d) Bridge
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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
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20. Which device is most commonly used in modern networks for packet forwarding?
- a) Hub
- b) Switch
- c) Repeater
- d) Gateway
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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
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22. Which network device typically uses PoE (Power over Ethernet)?
- a) Hub
- b) Switch
- c) Router
- d) Modem
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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
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24. Which device can dynamically assign IP addresses in a network?
- a) Router
- b) Switch
- c) Repeater
- d) Hub
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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
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26. Which device uses MAC addresses for communication?
- a) Router
- b) Hub
- c) Switch
- d) Gateway
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27. Which type of switch is ideal for small office networks?
- a) Managed switch
- b) Unmanaged switch
- c) Multilayer switch
- d) Core switch
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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
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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
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30. Which device is commonly used in WAN (Wide Area Network) setups?
- a) Switch
- b) Router
- c) Hub
- d) Repeater
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