Refer to the exhibit. Look at the command output. What would be the most probable reason for this port-ID mismatch？（） [" spanning-tree misconfiguration"," speed mismatch configuration"," cabling problem"," configuration problem"]
.造水机不宜使用蒸汽直接加热主要原因是避免（） ["沸腾过于剧烈","产水含盐量过高","耗热量大，不经济","结垢快，生成硬垢"]
《铁路旅客运输规程》线路中断，对滞留中途站的鲜活包裹应及时变卖处理。
Which two multicast address ranges are assigned as source-specific multicast destination addresses andare reserved for use by source-specific applications and protocols？ （） ["232.0.0.0\/8","239.0.0.0\/8","232.0.0.0\/4","FF3x：：\/32","FF2x：：\/32","FF3x：：\/16"]
一个SRAM芯片，有14条地址线和8条数据线，问该芯片最多能存储ASCII码字符的个数为（）。 ["16384","32768","256"]
详述载荷增大时，肌肉收缩力学特性的变化。
