9419S2126G交换机如何清空配置参数？（)A.erase starB.delete runC.delete flash:confiD.del nvram6309

S2126G交换机如何清空配置参数？() A.erase star B.delete run C.delete flash:confi D.del nvram 请帮忙给出正确答案和分析，谢谢！