Network devices

• What is a hub in networking?

  A hub is similar to a switch but broadcasts data to all devices connected.
• What is the function of a firewall?

  A firewall is a security device that monitors and controls incoming and outgoing network traffic based on security rules.
• How does an access point function in a network?

  An access point extends wireless connectivity to devices, allowing them to connect to a wired network wirelessly.
• What is the role of a router in networking?

  A router directs traffic between different networks, such as between a LAN and the internet.
• What is the primary function of a switch?

  A switch connects devices within a LAN, forwarding data only to the device that needs it.
• What are the key differences between a hub and a switch?

  • Hub: broadcasts data to all connected devices.
  • Switch: forwards data only to the specific device that needs it.
• What are the main functions of a firewall?

  • Monitors incoming and outgoing network traffic.
  • Controls traffic based on predefined security rules.
• What is the relationship between routers and networks?

  • Routers direct traffic between different networks.
  • They connect a LAN to the internet.