Typically,a Help-Desk Information System Has Answers to Questions That Only

Multiple Choice

Typically,a help-desk information system has answers to questions that only a true user would know,such as the user's birthplace,mother's maiden name,or last four digits of an important account number.This information ________.

A) allows help-desk representatives to create new passwords for users
B) reduces the strength of the security system
C) protects the anonymity of a user
D) helps authenticate a user