Acme Company has offices around the country. With the use of Cisco Unified CallManager， the company has deployed a VoIP network in a multisite centralized configuration. Which IOS gateway feature should be deployed to enable VoIP devices to register with a local gateway and continue to function when the connection to the Cisco Unified CallManager is broken？ （） ["gatekeeper multizone","Call Admission Control （CAC）","Automatic Alternate Routing （AAR）","Survivable Remote Site Telephony （SRST）"]
下列不属于战记物语的代表作的是？（） ["平家物语","源氏物语","太平记","意经记"]
欧盟与北美自由贸易区、亚太经合组织的不同点是（） ["各区域范围内的国家生产力与分工发展的产物","既是区域性经济集团，又有政治联盟的性质","典型地反映了世界经济的区域集团化趋势增强","说明经济相互依赖加深，导致保证经济稳定联系的相关组织产生"]
卡文迪许测量地球重力常数的工具是（） ["密度计","质谱仪","铅垂线","扭力秤"]
象征性游戏
轰炸航空兵有哪些基本战术和基本战斗行动方法？
