Our business has now expanded, and we have a team of salespeople. They need their own web site with different prices, gossip about competitors, conspiracies, plots, plans, and so on, that is separate from the customers' web site we have been talking about. There are essentially two ways of doing this:
Run a single copy of Apache that maintains two or more web sites as virtual sites. This is the most usual method.
Run two (or more) copies of Apache, each maintaining a single site. This is seldom done, but we include it for the sake of completeness.