Sam has worked for a project-based firm for five years. After being assigned to a high profile special project, he realized that he needed a quiet environment that was free from distractions to finalize project files on a daily basis. His project supervisor agreed and approved for Sam to telecommute from his home. The organization furnished Sam with a standard PC laptop and upgrades to the business class DSL modem. Sam must upload all completed project files to a secured server at the end of each business day, plus maintain a backup copy on his tower unit.

Required:
a. What firewall configuration would you recommend for Sam's home-based office/network? Justify your response.
b. What firewall setup would provide the firm both flexibility and security? Justify your response.
c. Which firewall technologies should be deployed

i. to secure the internet-facing web servers.
ii. to protect the link between the web servers and customer database.
iii. to protect the link between internal users and the customer database?