题目选项分析

Secret passwords are often used to control access to computers. When employees are allowed to make up their own passwords, they are likely to setup as passwords their initials or birth dates. To improve security, employers should assign randomly generated passwords to employees rather than allowing employees to make up their own

Which of the following, if true, most seriously undermines the conclusion drawn above?

【选项】Computer systems protected by passwords are designed to ignore commands that are entered by employees or others who use invalid passwords.