为什么细金化能提高材料的强度和断裂韧性？
《铁路旅客运输管理规则》适用于（）。 ["国家铁路","全国铁路","地方铁路","国际联运铁路"]
On a Nexus 5000 Series Switch， when a VFC is not online， what are the causes？（） [" LLDP transmit and receive are disabled"," The initiator server has no connectivity to the target storage"," FIP negotiation timing"," Peer does not support LLDP"," VSAN trunk protocol has been enabled"]
SONET’s three layers are（）. ["Section","Line","Frame","Path","DS1"]
俗称之腰内肉是指（）。 ["背脊肉","小里脊肉","腹胁肉","腿肉"]
在一个vtp domain里新加入一个revision更高的client switch后，会发生什么？
