5.3. Firewalls

Try these first

1. 1.

   What is the primary purpose of a firewall?

   Hint

   Think of it as a security gate.

2. 2.

   Name one type of firewall.

   Hint

   Consider whether it protects a device or an entire network.

3. 3.

   What is the main function of a firewall?

   • To accelerate network speed
   • To monitor and control network traffic
   • To store data securely

   Hint

   Consider firewall's role in network management.

4. 4.

   True or False: Host-based firewalls are installed on network routers.

   • True
   • False

   Hint

   Think about where the software is applied.

5. 5.

   Imagine you are a network administrator. Your company wants to implement both host-based and network firewalls. Describe how you would set them up effectively.

   Hint

   Think about both layers of defense.

6. 6.

   You notice unusual traffic patterns on your network. How can deep packet inspection help you identify the problem?

   Hint

   Consider how detailed analysis can provide insights.