Answer:
C.What you gain as a result of choosing one option versus another;a benefit.
Explanation:
Answer:
Non-routable address space.
Explanation:
Every computer need not to be connected to every other computer on the internet, non-routable address spaces can be used locally, in various private networks.
Answer:
Subject Matter.
Explanation:
If you have ever heard the commentary of anything in your life .You should have observed that the all of the commentators are the experienced people in that field or experts in that field.
They use their knowledge of that field to given us in depth analysis and also explain in language that is easily understandable.