（）VLAN能充当中继链路两端的公共标识。 ["本征","数据","语音","默认"]
桩承载力检测常用的方法有（）。 ["动力参数法","声波透射法","抽芯法","静载试验"]
毛泽东、邓小平、江泽民、胡锦涛、（）等几代中央领导集体，都积极弘扬与发展当代中华民族精神。
Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this change?（） [" The show ip ospf neighbor command on R1 lists the revised Hello timer"," The show ip ospf interfac e brief command on R1 lists the revised Hello timer"," The R1 - R2 neighborship fails due to Hello timer mismatcH"," The show ip ospf interface command on R1 lists the revised Hello timer"]
一个官员的堕落腐败是绝对偶然与独立的。
普通股票
