Not necessarily. Each tool or firewall has its place and purpose. And firewalls can also be combined to give stronger protection in a given case. Once you more fully understand how each firewall works, you better understand how to best develop your plan. More importantly, you'll understand how and why your plan will work, and how each firewall will help insulate your assets.
What specific tools or 'firewalls' do you use for asset protection. Is one better than another?