You have an Exchange Server 2010 organization. 
Your company has a relationship with another company. 
The partner company has an Exchange Server 2010 organization. 
You need to recommend a security solution to meet the following requirements： 
.Ensure that all e-mail delivery between your servers and the partner companys servers is encrypted
.Ensure that all communication between your servers and the partner companys servers is authenticated
What should you include in the solution？（）

单项选择题YouhaveanExchangeServer2010organizationnamedcontoso.com.TheorganizationcontainstwoClientAccessserversnamedCAS1andCAS2thatareinaClientAccessserverarray.Allinternalandexternalusersconnecttotheirmailboxesbyusingmail.contoso.com.YouneedtoinstallacertificateontheClientAccessserverstomeetthefollowingrequirements：.Support500clientcomputersthatarenotjoinedtotheActiveDirectorydomain.SupportclientsthatuseMicrosoftOfficeOutlookinCachedExchangeMode，Autodiscover，andExchangeActiveSync.MinimizeclientandusersupportcostsWhatshouldyoudo？（）

A.From a trusted third-party certification authority （CA），generate a certificate request that contains the mail.contoso.com and Autodiscover names.
B.From a trusted third-party certification authority （CA），generate a certificate request that contains the CAS1.contoso.com and CAS2.contoso.com names.
C.From an internal Active Directory-integrated certification authority （CA），generate a certificate request that contains the mail.contoso.com and Autodiscover names.
D.From an internal Active Directory-integrated certification authority （CA），generate a certificate request that contains the CAS1.contoso.com and CAS2.contoso.com names.

单项选择题You have an Exchange Server 2010 organization.  Company policy states that a copy of a users mailbox must be kept for one year after the user leaves the company.  All user accounts are in an organizational unit （OU） named OU1.  A compliance administrator plans to export the mailboxes to personal folders.  You need to recommend a solution that allows the compliance administrator to meet the requirements ofthe company policy.  What should you include in the solution？（）

A.a new management role assignment
B.delegated permissions to OU1
C.managed folder mailbox policies
D.new Personal Archives

单项选择题Your network contains two Exchange Server 2010 Edge Transport servers.  The network also contains five Hub Transport servers in two Active Directory sites. All e-mail sent to the network is received by the Edge Transport servers. You plan to configure anti-spam filtering.  You need to ensure that the anti-spam filtering configurations are applied to both Edge Transport servers. The solution must use a minimum amount of administrative effort.  What should you do？（）

A.Configure EdgeSync synchronization.
B.Implement Active Directory Federation Services （AD FS）.
C.Join both Edge Transport servers to an Active Directory domain and then create a forest trust from the internal forest.
D.Manually configure settings on one Edge Transport server and then export the settings to the othe rEdge Transport server.

单项选择题Your network contains an Exchange Server 2010 server.  You need to plan a mailbox sharing solution for the organization to meets the following requirements： .Ensure that assistants can read and modify the e-mail messages of their managers .Ensure that assistants can impersonate their managers when they send e-mail messages  What should you include in the plan？（）

A.Full Access and Send As permissions
B.Full Access and send on behalf of permissions
C.Role Based Access Control （RBAC） assignments and Send As permissions
D.Role Based Access Control （RBAC） assignments and send on behalf of permissions

单项选择题You have an Exchange Server 2010 organization.  You plan to deploy a public folder access solution to meet the following requirements： .Users in the legal department must be able to send e-mail messages to public folders  .Users in the legal department must not be able to read documents in the public folders by using OutlookWeb App （OWA） You need to recommend changes to public folder access that meet the company requirements. What should you recommend？（）

A.mail-enabled public folders and Editor permissions
B.mail-enabled public folders and Contributor permissions
C.OWA segmentation and Reviewer permissions
D.OWA segmentation and Send As permissions