1. What is the primary function of a router in a network?
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To connect multiple devices within the same network
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To manage network traffic between different networks
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To provide wireless connectivity
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To amplify network signals
2. Which layer of the OSI model does a switch primarily operate at?
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Physical layer
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Data link layer
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Network layer
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Transport layer
3. What type of network device forwards data based on MAC addresses?
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Router
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Switch
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Hub
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Repeater
4. A hub operates at which layer of the OSI model?
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Physical layer
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Data link layer
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Network layer
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Application layer
5. Which of the following devices is considered "intelligent"?
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Router
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Switch
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Hub
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Repeater
6. Which network device is used to connect different networks together?
7. What does a repeater do in a network?
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Amplifies and regenerates signals
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Routes data packets between networks
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Stores data temporarily
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Converts data formats
8. What is a characteristic of a hub?
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It forwards data to the intended device only
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It amplifies signals for longer distances
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It broadcasts data to all connected devices
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It connects different networks
9. Which device is essential for creating VLANs in a network?
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Router
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Hub
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Switch
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Gateway
10. What is the main role of a gateway in a network?
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To connect devices within a LAN
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To translate and connect different protocols
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To filter network traffic
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To regenerate signals
11. What is a managed switch?
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A switch that operates automatically without configuration
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A switch with advanced features and configuration options
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A switch that connects only two devices
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A switch used only for wireless connections
12. What does a Layer 3 switch combine?
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Functions of a switch and a router
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Functions of a hub and a bridge
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Functions of a gateway and a repeater
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Functions of a modem and a switch
13. Which network device can perform packet filtering?
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Hub
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Switch
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Router
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Repeater
14. What is the primary function of a bridge in networking?
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To extend a network and filter traffic based on MAC addresses
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To amplify signals in a network
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To connect multiple networks
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To route data packets
15. Which device divides a network into multiple collision domains?
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Hub
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Router
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Switch
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Repeater
16. What is the primary role of a modem in a network?
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To amplify signals
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To connect different LANs
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To convert digital signals to analog and vice versa
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To filter network traffic
17. What does a wireless access point (WAP) do?
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Routes traffic between networks
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Connects wired devices to the network
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Provides wireless connectivity to devices
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Encrypts network data
18. Which device uses ARP (Address Resolution Protocol) to map IP addresses to MAC addresses?
19. What is a significant feature of a multilayer switch?
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Operates only at the data link layer
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Provides routing capabilities in addition to switching
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Broadcasts traffic to all connected devices
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Requires no configuration
20. Which device is most commonly used in modern networks for packet forwarding?
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Hub
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Switch
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Repeater
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Gateway
21. What protocol does a router use to communicate with other routers?
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HTTP
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SMTP
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Routing protocols like OSPF or BGP
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DNS
22. Which network device typically uses PoE (Power over Ethernet)?
23. What is a disadvantage of using a hub in a network?
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Creates multiple collision domains
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Increases network security
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Causes unnecessary network traffic
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Requires high maintenance
24. Which device can dynamically assign IP addresses in a network?
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Router
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Switch
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Repeater
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Hub
25. What is the purpose of a core switch in a network?
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To connect end-user devices directly
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To manage traffic between different network segments
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To amplify weak signals
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To route data between external networks
26. Which device uses MAC addresses for communication?
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Router
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Hub
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Switch
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Gateway
27. Which type of switch is ideal for small office networks?
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Managed switch
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Unmanaged switch
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Multilayer switch
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Core switch
28. What is a characteristic of a VLAN-capable switch?
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Connects devices automatically
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Segments a network into logical groups
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Broadcasts traffic to all ports
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Requires no configuration
29. In which scenario is a router preferred over a switch?
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To connect devices within the same network
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To manage data flow between different networks
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To extend the range of a Wi-Fi signal
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To amplify weak signals
30. Which device is commonly used in WAN (Wide Area Network) setups?
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Switch
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Router
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Hub
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Repeater