1. What is the difference between the forwarding and routing functions of the network layer?

2. What is inside of a router? What does a switch fabric look like? Diagram a memory switch, bus and crossbar switch and how these work and are different from each other.

3. What is CIDR notation?

4. Describe packet fragmentation, and how it works.

5. Describe what the DHCP protocol is, why it exists, and how it works using an example on your subnet.

6. How does IPv4 addressing work? Be able to convert a decimal IP address to binary and vice versa

7. How does IPv6 addressing work? What is a valid and invalid IPv6 address?

8. Describe NAT, how it works, and give an example of it using port numbers and IP addresses. Why is NAT useful?

9. What is ICMP?

10. What is the difference between distance vector and link-state routing algorithms?

11. How are networks hierarchically structured?

12. What is the difference between internal and external routing algorithms?

13. What IP addresses are reserved for the broadcast and network addresses?