Password is a secret series of (69) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to (70) . The password helps ensure that (71) users do not access the computer. In addition, data files and programs may require a password.

A．order

B．commands

C．instruction

D．tracks

领导者与工作人员的职责权限明确划分，工作人员在职权范围内有自主权。这种领导方式属于（）领导。

A、集权型

B、分权型

C、均权型