Which of the Following Methods for Gathering Background Information About

Which of the following methods for gathering background information about a job applicant is NOT recommended because of potential legal violations?

A) searching social networking sites for posted information about the applicant
B) using a database to access information about the applicant's credit history
C) asking former employers open-ended questions about the applicant
D) locating references other than the ones provided by the applicant
E) using a search engine to find information about the applicant