三角带传动的使用和调整要注意哪些？
Which roaming option will keep them on the same IP subnet when client traffic is being bridged through LAN interfaces on two WLCs？（） [" Layer 1 intercontroller roaming"," Layer 2 intercontroller roaming"," Layer 3 intercontroller roaming"," Layer 4 intercontroller roaming"]
配电变压器的避雷器接地、变压器外壳和中性点三点在一起接地（）于保护变压器绝缘。 ["有利","有害","省投资","既无利也无害，只省投资"]
我国继承法规定的遗嘱的五种形式是公证遗嘱、自书遗嘱、（）、录音遗嘱、口头遗嘱。
Scalability is provided in the server farm module by which of the following design strategies？（） [" up to 10 Gbps of bandwidth at the access level"," redundant servers at the access level"," modular block design at the access level"," high port densities at the access level"]
理论创新的实质和关键各是什么？
