Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?（） ["HDLC","Ethernet","Token Ring","PPP","FDDI","Frame Relay"]
In the event of a GSS failure in a GSS cluster， which is true？（） [" The current connections are rerouted via the backup GSS"," Secondary GSS cannot be used to configure the GSS cluster"," All remaining GSSs in the cluster continue responding to any new queries"," All records in the GSS database are flushed and reconstructed again using a new master GSS"]
PLC晶闸管输出带负载能力为0.2A/点，只能带交流负载，可适应高频动作，响应时间为（）ms。 ["1","2","5","10"]
Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard?（） ["alternate","backup","designated","disabled","root"]
HSRP state？
创意的制造过程（心理操作过程）
