Some things you can find for yourself on inspecting a property that you will not need to ask the owner about are all of the following except:
a. cleanliness ?
b. condition of appliances ?
c. internet availability ?
d. damaged walls or windows ?

How is a wan different than a lan? both connect computers, but only wan users don’t need the same operating system. both are peer-to-peer networks, but only a wan requires networking hardware. both network computers, but only a wan can cover larger geographical ranges. both connect computers to the internet, but only wan connects to the cloud.