1- It is advisable to have more than of form of defence, justify the advantages and disadvantages of that approach?

2- In what case you would recommend a screening router firewall architecture over screened host architecture?

3- You need to implement defence in depth for your entire organization. Your management is interested in deploying intrusion prevention systems. Your goal is to protect.

1) All the traffic flowing through a network

2) Endpoints from intrusions. Analyse the technologies you will be using to accomplish the tasks stated above.

4- A firewall can be configured to perform many security-related functions in a network. Briefly discuss any FOUR such functions that firewalls perform to secure network infrastructures.

5- In your job as a security expert you have to address the following situation. a) Internal clients should be able to browse the internet securely. b) Your web server currently hosted in the DMZ got hacked many times, you want to utilize a proxy to add extra protection against intrusions. Recommend a proxy solution for both the cases

6- Explain what is Screened Subnet Architecture and how is it better than Screen Hosts Architecture?