单项选择题
A. The supporting documentation
B. The vendor website
C. The Internet
D. The server event logs
单项选择题 Afailureoftheprimarydatacenterhasoccurred.Awarmsiteisavailableforuse.Whichofthe followingshouldbedoneFIRSTtobringthecriticalapplicationsonline？（）
单项选择题 WhichofthefollowingbottleneckswouldMOSTlikelycauseexcessiveharddriveactivity？（）
单项选择题 Which of the following technologies can provide geographically based load balancing with high availability between two web servers with static content?（）