单项选择题
A.Role Based Access Control
B.Access Control List
C.Dynamic distribution group
D.Universal distribution group
单项选择题 You have an Exchange Server 2003 organization. You install a new Exchange Server 2010 server in the organization. You need to ensure that you can modify the default e-mail address policy by using the Exchange Management Console （EMC) What should you do？（）
单项选择题 WhichofthefollowingcmdletsisusedtosuspendpublicfolderreplicationacrosstheentireExchangeorganization？（）
单项选择题 YouworkastheenterpriseexchangeadministratoratXxx.XxxisusingMicrosoftExchangeServer2010astheirmessagingsolution.TheXxxcontainsanExchangeServer2010MailboxservernamedXXX-EX02.WhatactionsmustyoutaketocheckwhenlastemployeesloggedontoXXX-EX02？（）