Router R1 has been conf igured with an ipv6 route 2000::/64 S0/0/0 64 command.Which of the following does the 64 at the end of the command represent?（） [" Metric"," Administrative distance"," Timeout (seconds)"," Prefix length"," Interface ID"]
根据给出的地址173.18.8.0/24，选择正确的网络地址、子网掩码。网络地址为（） ["173.0.0.0","173.18.0.0","173.18.8.0","173.18.8.1"]
安全阀主要由（）三部分组成 ["阀座","阀瓣","弹簧","加载机构"]
转换基金运作方式、更换基金管理人或者基金托管人、提前终止基金合同，应当经参加大会的基金份额持有人所持表决权的（）以上通过。 ["三分之一","一半","三分之二","九成"]
企业集团组织结构的特点。
多年生杂草
