单项选择题
A.The best option is to use an A record.
B.The best option is to use a CNAME record.
C.The best option is to use a TXT record.
D.The best option is to use a SRV record.
单项选择题 You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.Company.com contains an exchange server 2010 server named -sr15 that has the following roles installed： client access， hub transport， and mailbox server.the Company.com also has a windows server 2008 r2 certification authority （ca）.Company.com has merged with another company named Courseware Publishers that contains an internal root C A.You have received instructions from the CIO to install a certificate to create the federated trust as well as to reduce the cost. What should you do？（）
单项选择题 YouworkastheenterpriseexchangeadministratoratCompany.com.TheCompany.comnetworkconsistsofasingleActiveDirectorydomainnamedCompany.com.Company.comhasanExchangeServer2010organization.Company.comhasmergedwithanothercompany.TheusersatCompany.comhavecomplainedthattheyarenotabletosharecontactswiththeusersinthemergecompany.However，theycansharefree/busyinformation.TheusersatCompany.comneedtosharecontacts.Whatshouldyoudo？（）
单项选择题 YouworkastheenterpriseexchangeadministratoratCompany.com.TheCompany.comnetworkconsistsofasingleActiveDirectorydomainnamedCompany.com.Company.comhasanExchangeServer2010organization.theCompany.comcontainsanexchangeserver2010servernamed-sr14.-sr14isconfiguredtowithoutlookanywhere.youhavereceivedinstructionsfromtheciotomakesurethattheuserscanconnectto-sr14，usingoutlookanywhere.Whatshouldyoudo？（）