What is the use of an "all configuration" backup in Cisco UCS？（） [" Can be used to migrate from a 6120 to a 6140 and retain the same service profiles"," Can only be used on the fabric interconnect on which it was created"," Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster information"," Can be used to match firmware versions between 6120 and 6140 during a migratio"]
基因定位
一个不多于50台主机的网络，合适它的掩码是多少？
下面对于肌肉痉挛（俗称抽筋）的预防和处理明显错误的是（） ["冬季注意保暖，夏季注意补充淡盐水","手指抽筋后，用另一只手拉伸抽筋手指，直至指筋松弛","发生肌肉痉挛后，牵引痉挛肌肉，使之伸长和松弛","用力要缓慢持续，适当按摩肌肉"]
简述债券的定价原理。
简述班级组织改革的趋势。
