The control of communications test equipment should be clearly addressed by security policy for which of the following reasons?通信测试设备的控制应该通过安全策略明确的原因是什么？（）

• A、Teste quipment can be used to browse information passing on anetwork.测试设备可以用于浏览在网络上传递的信息
• B、Test equipment is difficult to replace if lost or stolen.测试设备如果丢失或被盗很难替换
• C、Test equipment is easily damaged.测试设备很容易被损坏
• D、Test equipment must always be available for the maintenance personnel.测试设备对于维修人员必须是永远可用的