单项选择题 You have an Exchange Server 2010 organization. You attempt to create a new address list based on each user¯s country attribute You discover that the country attribute is unavailable in the New Address List wizard. You need to create a new address list based on users country  What should you do（）？

单项选择题 You work as an Exchange Administrator for Xxx Inc.The company has a Windows 2008 Active Directorybased network.The network contains an Exchange Server 2010 organization.The Exchange environment has two Edge Transport servers and two Hub servers.The CTO wants you to filter a list of IP addresses and requests that you add these IP addresses to the block list. You log into one of the Edge Transport servers and add the list of IPs to the block list.The next day the CTO informs you that the IP addresses he gave you are still able to send messages into the Exchange environment. What changes should you make to ensure these IP addresses are blocked？（）

单项选择题 YouworkastheenterpriseexchangeadministratoratXxx.TheXxxnetworkconsistsofadomainnamedxxx.TheXxxnetworkhasamailservernamedXXX-EX01thathasWindowsServer2008installed.YoureceiveinstructionfromXxxtodeployExchangeServer2010onXXX-EX01tosupportthefollowingroles：HubTransportroleClientAccessroleMailboxroleUnifiedMessaging（UM）serverroleWhatactionmustyoutake（）