The challenge of having a Marketing Information System (MIS) be effective is:

a. To train managers on its use.
b. To justify the cost of the system.
c. To protect the data in the system from hackers.
d. To get accurate reports from the system.
e. To identify, in advance, the data that managers will need to ensure it gets into the system.

The correct answer is letter "E": To identify, in advance, the data that managers will need to ensure it gets into the system.

Explanation:

Marketing Information System, MIS or MKIS is the practice of gathering, storing, analyzing and providing marketing information to managers by in advance that could allow them to make better decisions. MIS intend to collect data from the firm's consumers to find out opportunities to raise revenue. MIS is composed by:

answer; engaging in effective public relations;

answervulnerability assessment;