单项选择题
A.Modify the group scope of the distribution group.
B.Modify the approval mode of the distribution group.
C.Modify the security settings of the distribution group.
D.Modify the authentication settings of the ECP virtual directory.
单项选择题 Youneedtoensurethataroommailboxautomaticallyacceptsmeetingrequests.Whatshouldyoudo？（）
单项选择题 You have an Exchange Server 2010 organization.A user reports that some meetings are missing from her calendar.You need to recover the missing calendar items.The solution must ensure that the missing calendar items are recovered automatically. What should you do？（）
单项选择题 YouhaveanExchangeServer2010organization.Youneedtoensurethatallusersintheorganizationcanautomaticallyscheduletheuseofaprojector.Whatshouldyoudo？（）