Need help with DQs for Computer Science ASAP- you must have a excellent ratings for me to consider

150 words 

Dq1

Discuss the general architecture of enterprise systems, including both hardware and software components. Provide at least two examples of each for a system with which you are familiar (from experience or research).

DQ2

What are two important security issues that enterprise systems commonly face? How do these issues threaten information and what high-level steps can a company take to mitigate these threats?

DQ3

In addition to the system components, what are other likely vulnerabilities? What makes them tempting targets? How could an attacker exploit them?

DQ4

What are three important security risks when developing cross-functional systems? How can these be addressed during system development and system implementation?