A.You should consider having a site link bridge created from the Active Directory Sites and Services snap-in.
B.You should consider running the Set-ADSite cmdlet from the Exchange Management Shell.
C.You should consider having the properties of KingLink1 modified from the Active Directory Sites and Services snap-in.
D.You should consider running the Set-ADSiteLink cmdlet from the Exchange Management Shell.

A.The best option is to change the authentication settings for the Client Receive connector.
B.The best option is to change the moderation settings for TestGr1.
C.The best option is to change the remote IP address range for the Client Receive connector.
D.The best option is to change the message delivery restrictions for TestGr1.

A.you should consider enabling， anonymous users permission group for the client -ex20 receive connector.
B.You should consider setting up a Receive connector and set the use to Client. Thereafter you should change the port for the connector.
C.You should consider setting up a Receive connector and set the use to Custom. Thereafter you should change the remote IP addresses range for the connector.
D.you should consider enabling， anonymous users permission group for the default -ex20 receive connector.

A.The best option is to set up a new remote domain.
B.The best option is to change the permissions of the Send connector.
C.The best option is to change the properties of the sender reputation feature.
D.The best option is to enable domain security on the default Receive connector.

A.The best option is to change the Exchange-specific site link costs by using the Exchange Management Shell.
B.The best option is to change the site link costs by using the Active Directory Sites and Services.
C.The best option is to get rid of the IP site links and create new SMTP site links by using the Active Directory Sites and Services.
D.The best option is to setting up the main office site as a hub site by using the Exchange Management Shell.

A.You should consider setting the IMAP4 clients up to use TCP port 25 to send e-mail.
B.You should consider setting up a new Send connector and set up it to use TCP port 110 to send e-mail.
C.You should consider setting the IMAP4 clients up to use TCP port 587 to send e-mail.
D.You should consider setting up a new Send connector and set up it to use TCP port 143 to send e-mail.

A.The best option to set up an address rewrite entry.
B.The best option to set up an IP Allow List entry.
C.The best option to set up the properties of the sender filtering feature.
D.The best option to set up the properties of the Sender ID feature.

A.you should use the get-organizationconfig cmdlet on the -sr20.
B.you should use the test-replicationhealth cmdlet on the -sr20.
C.you should use the get-edgesyncserviceconfig cmdlet on the -sr19.
D.you should use the test-edgesynchronization cmdlet on the -sr19.

A.The best option is to set up and configure a sharing policy.
B.the best option is to set up and configure a send connector on -sr18.thereafter you should set up and configure a receive connector on -sr18.
C.The best option is to make use of the Exchange Server 2010 schema extensions.
D.The best option is to set up an Edge Subscription file and duplicate the file to the Exchange Server 2003 servers.

A.the best option is to remove the edge subscription from -sr15. on -sr17 run the importedgeconfig.ps1 script.
B.the best option is to copy the subscription file from -sr16 and -sr17. on -sr17 run the new-edgesubscription cmdlet.
C.the best option is to set up a new subscription file and import it to -sr16 and -sr17.
D.the best option is to move -sr17 to a separate active directory site.you should also set up a new subscription file on -sr15 and run the new-edgesubscriptio cmdlet on -sr17.

A.You should consider stopping the Microsoft Exchange Transport service.
B.You should consider disabling the Receive connectors and Send connectors.
C.You should consider suspending the message queues.
D.You should consider stopping the Microsoft Exchange Mail Submission Service.