Yourcompanyhasamainofficeand20branchoffices.EachofficecontainsanExchangeServer2010MailboxserverandanExchangeServer2010HubTransportserver.EachofficeisconfiguredasaseparateActiveDirectorysite.EachbranchofficesitehasoneIPsitelinkthatconnectstothemainofficesite.Youneedtoensurethate-mailsentbetweenofficesisroutedthroughtheHubTransportserversinthemainoffice.Whatshouldyoudo？（）
A.FromtheExchangeManagementShell，modifytheExchange-specificsitelinkcosts.
B.FromtheExchangeManagementShell，configurethemainofficesiteasahubsite.
C.FromActiveDirectorySitesandServices，modifythesitelinkcosts.
D.FromActiveDirectorySitesandServices，removeallIPsitelinksandthencreatenewSMTPsitelinks.
正确答案：参考B
