单项选择题
A.Implement Network Policy and Access Services （NPAS）.
B.Implement Active Directory Federation Services （AD FS）.
C.Create a new Active Directory domain in the internal forest，and then join all Edge Transport servers to the new domain.
D.Create an Active Directory forest in the perimeter network，and then join all Edge Transport servers to the new domain.
单项选择题 You have an Exchange Server 2010 organization. An Edge Transport server sends and receives all e- mail messages from the Internet. You notice that some servers on the Internet identify e-mail messages from your organization as spam. You need to minimize the possibility that e-mail messages sent from your organization are identified as spam. What should you do？（）
单项选择题 You have an Exchange Server 2010 organization. You plan to deploy two new Mailbox servers. Both Mailbox servers will be members of a database availability group （DAG）. You need to recommend a hard-disk configuration for the new servers. Your recommendation must meet the following requirements： .Maximize write performance .Prevent a switchover if a single disk fails Which disk configuration should you recommend？（）
单项选择题 Your network contains 20 offices. Each office contains 1，000 users. The users access their e-mail messages by using Microsoft Office Outlook. You have an Exchange Server 2010 organization. You need to recommend an Exchange Server solution that meets the following requirements： .Ensures that users in each office download the list of recipients for their office only .Ensures that users in each office can send e-mail messages to any user in the organization What should you recommend？（）