You are the administrator of a workgroup supporting Windows 2000 Professional computers. You configure the Group Policy by setting the Account lockout duration to 0. What effect will this have？（） ["Users will never be locked out.","Users will be locked out for 69 days.","Users will be locked out after one failed logon attempt.","Users will be locked out indefinitely until the Administrator unlocks the user account."]
种群间的协同进化
创新意识和创新精神是一种（）的心理状态和思想意识。它们是创新活动的前提。 ["敢为人先","不断进取","求新求异"]
Routers can send hello messages in three HSRP states. Which ones are they？（） [" Standby"," Learn"," Listen"," Speak"," Active"]
煤储存的目的主要有（）。 ["保证焦炉的连续生产","稳定装炉煤的质量","起到一定的沥水作用","降低来煤的灰份"]
烧死
