储存的电缆应编号建卡,电缆卡中应注明的内容有:()
A. 电缆型号
B. 规格、电压
C. 长度
D. 生产厂家和出厂日期
What is the effect of using the service password-encryption comma()。
A. Only the enable password will be encrypted.
B. Only the enable secret password will be encrypted.
C. Only passwords configured after the command has been entered will be encrypted.
D. It will encrypt the secret password and remove the enable secret password fromthe configuration.
E. It will encrypt all current and future passwords.
某风冷式家用电冰箱接通电源后熔丝立刻熔断有可能的原因是()。
轮对内侧距检查尺检查轮对内侧距时规定测量三处,其最大差不超过()mm。
A. 3
B. 2
C. 1