PMP Certification Practice Test 1

A single source market means that prefer to work with one particular vendor. 1 is incorrect because an oligopoly describes a market condition where the actions of one vendor affects all of the others (for example, oil, airfare, and software). 2 is incorrect because a sole source means there is only one vendor available. 4 is incorrect because this is simply a list of vendors that your organization allows you to do business with.