YouworkastheenterpriseexchangeadministratoratXxx.TheXxxnetworkconsistsofadomainnamedxxx.XxxisusingMicrosoftExchangeServer2010astheirmessagingsolution.YouhavetohavetheApplicationIdentifierofxxxstoredinaDNSrecord.TheApplicationIdentifierisusedforthefederatedtrust.WhatactionsmustyoutakeontheDNS？（）A.You must set up recipient filtering.B.You must set up a Host （A）.C.You must use a TXT record.D.You must use a Pointer （PTR） record.E.You must use a Mail exchange （MX） record.

单项选择题

You work as the enterprise exchange administrator at Xxx .The Xxx network consists of a domain named xxx .Xxx is using Microsoft Exchange Server 2010 as their messaging solution.You have to have the Application Identifier of xxx stored in a DNS record.The Application Identifier is used for the federated trust.What actions must you take on the DNS？（）

A.You must set up recipient filtering.
B.You must set up a Host （A）.
C.You must use a TXT record.
D.You must use a Pointer （PTR） record.
E.You must use a Mail exchange （MX） record.

MCITP(70-662)