Employee records, including names, social security numbers, and related information, would typically be stored in what type of data file

Employee records, like names, security numbers, addresses, and other information are stored in a data file called a DATABASE. Database is simply a collection of information where a company or business encodes information which is accessed and updated for the employees. Database can help the user to reduce having double records because database reduces the redundancy of reports or information.  

answer; i believe the correct answer is (a) all trenches must have access/egress;