1. List and explain at least 3 methods in connecting a Wide Area Network (WAN).

2. What is asymmetric digital subscriber line (ADSL) technology?

3. What is DHCP? List at least two benefits of using DHCP.

4. What is a NAT and how does it operate?

5. List the differences between IPv4 and IPv6. Describe the basic operation and configuration of IPv6.

6. What is an ACL? List and explain the two types of ACL.

7. What are the two key benefits of VPN?

8. What is the difference between a static and a dynamic IP address?

9. What is IP Security, and what is its purpose?

10. List 5 key features of IPv6.