11. Briefly describe the idea behind data encapsulation process on email messages as it moves through the TCP/IP protocol stack. 12. Demonstrate the UDP ports scan process with brief explanation. 13. Demonstrate the MIM attack with brief explanation. 14. Discuss in detail about all the layers in the TCP/TP model. 15. Discuss the various types of malware and its functions with examples 16. Discuss in detail about application layer HTTP protocol with their security issues 17. Discuss the various types of DOS attacks with examples. 18. Discuss any two Malware that approaches to deliver malware in the network system. 19. Discuss about the Web spoofing attack explain with example? 20. Discuss in detail about the different types of hacking