Hello I need help answering these Information Security Questions.

1. How is a switch functionally different from a router?

2. Explain the security problem of DHCP spoofing does it occur at a switch or a router?

3. Compare client/server and peer to peer network model with respect to security.

4. What are the functions of the edge network in an ISPs network?

5. Why is fiber a more secure medium than copper?

6. What are the privacy and security concerns with cookies?

7. Which TCP port is preferable for secure SMTP email transfer and why?

8. Briefly explain the functions of DNS and how it is possible to have a DDoS attack by DNS amplification when a recursive DNS resolver is used.

9. What is SNMP used for and how can it be exploited by hackers?

10. Why is TCP prone to SYN attack?

11. What is CIDR and what are its advantages over classful addressing.

12. What is ARP Cache poisoning? Can it be used to launch a DoS attack?

13. Explain double tagging VLAN security issue?

14. Why are NAT and IPSec incompatible and how is this problem solved?

Please give a proper response and answer all 14 questions. Thank you.