Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?（） ["There is a speed mismatch between SW1's Fa0\/1 and SW2's Fa0\/1 interfaces.","There is an MTU mismatch between SW1's Fa0\/1 and SW2's Fa0\/1 interfaces.","There is an encapsulation mismatch between SW1's Fa0\/1 and SW2's Fa0\/1 interface.","SW1's Fa0\/1 interface is administratively shut down."]
私小说
明清时期，蒙学的教材大致有几类？
刘某投保意外伤害人身保险，保险金额20万元。保险有效期内，被保险人王某不慎被肇事司机张某撞死，指定其子为受益人。被保险人的受益人即其家属能否同时向保险公司和张某索赔？
内燃叉车的通常维护保养周期最长为500h。
网络通信协议有哪几层？
