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
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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- 🔍 Carefully read all questions before submitting your answers.
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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