浸麦理论和影响因素。
Which three of these can be a forwarding equivalence class？ （） ["IPsec tunnel","routing equivalence paths","traffic engineering tunnel","bridge or switch instance","groups of IP addresse"]
论述企业选择的目标营销战略有哪些？
Cisco ISP Routers offer which three of these security benefits？ （Choose three.） （） [" onboard VPN accelerator"," events correlation and proactive response"," high-performance AIM VPN modules"," virtual firewall"," Cisco lOS Firewall and lOS IPS"," transparent firewall"]
“人们对基督教神学教条开始怀疑的缘由主要有两大发现：一是新大陆的发现，二是地球在围绕太阳转。《圣经》居然对这两个事实只字未提!一下子就发生了信仰危机。”材料阐述了（）。 ["新航路开辟的原因","文艺复兴运动的原因","宗教改革的原因","启蒙运动的原因"]
何谓GDP数据修正？有哪些主要的修正方法？
