单项选择题
A.The best option is to set up two SRV resource records.
B.The best option is to set up two mail exchange （MX） records.
C.The best option is to set up two Remote Domains.
D.The best option is to set up two EdgeSync Subscriptions.
单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. TestKing.com has its headquarters in Chicago and branchoffices around the globe. All the offices of Testking.com have a direct link to the Internet. The Chicago office connects to the other offices via a WAN link. You have received instructions from theCIO to install Exchange Server 2010 servers in every office. You need to ensure that your design maintainuser access mailboxes in the event of a domain controller failure as well as ensuring that user is able tosend e-mail messages if a WAN link failure should occur. What should you do？（）
单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory forest with one domain. The internal network of TestKing.com contains a perimeter network. You have received instructions fromthe CIO to install 15 Edge Transport servers on the perimeter network with the following criteria： * The Edge Transport servers should have a security policy， applied by the administrators. * The minimization of the administrative overhead towards the servers. * The minimization the attack surface of the perimeter network. What should you do？（）
单项选择题 You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory domain named testking.com. TestKing.com has its headquarters in Chicago and a branch office in Dallas. Both offices are an ActiveDirectory site that is connected via high speed WAN link. The employees in these offices connect locallyto the servers in these offices. You are planning to install Exchange Server 2010； however， you need to plan the installation of theMailbox servers with the following criteria： * It should maintain user access to mailboxes from a server in their site， if a Mailbox server fails. * Remote mailboxes should bei accessible if a site fails.* Use the minimum amount of serves. What should you do？（）