you need to run before deploying the Exchange servers? (Choose all that apply)

First you need to prepare the schema – the catalog of every object that exists in your AD environment.

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Connects to the schema master and imports LDAP Data Interchange Format (LDIF) files to update the schema with Exchange 2013 specific attributes. The LDIF files are copied to the Temp directory and then deleted after they are imported into the schema.

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Sets the schema version (ms-Exch-Schema-Version-Pt).

Next you need to prepare Active Directory for Exchange
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If the Microsoft Exchange container doesn’t exist, this command creates it under CN=Services,CN=Configuration,DC=.
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If no Exchange organization container exists under CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=, you must specify an organization name using the /OrganizationName parameter. The organization container will be created with the name that you specify.

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Verifies that the schema has been updated and that the organization is up to date by checking the objectVersion property in Active Directory. The objectVersion property is in the CN=,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC= container. To see the version that should be shown after this command completes, look up the version of Exchange 2013 you’re installing in the table in Exchange 2013 Active Directory versions.
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Sets the msExchProductId value on the Exchange organization object. The msExchProductId property is in the CN=,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC= container. To see the version that should be shown after this command completes, look up the version of Exchange 2013 you’re installing in the table in Exchange 2013 Active Directory versions .
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If the containers don’t exist, creates the following containers and objects under CN=,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=, which are required for Exchange 2013:
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Assigns specific permissions throughout the configuration partition.

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Imports the Rights.ldf file. This adds the extended rights required for Exchange to install into Active Directory.
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Creates the Microsoft Exchange Security Groups organizational unit (OU) in the root domain of the forest and assigns specific permissions on this OU.
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Creates the following management role groups within the Microsoft Exchange Security Groups OU:
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Adds the new universal security groups (USGs) that are within the Microsoft Exchange Security Groups OU to the otherWellKnownObjects attribute stored on the CN=Microsoft Exchange,CN=Services,CN=Configuration,DC= container.
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Creates the Unified Messaging Voice Originator contact in the Microsoft Exchange System Objects container of the root domain.
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Prepares the local domain for Exchange 2013. For information about what tasks are completed to prepare a domain, see Step 3.

The last thing you do in the Prepare sequence is to prepare the domains
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If this is a new organization, creates the Microsoft Exchange System Objects container in the root domain partition in Active Directory and sets permissions on this container for the Exchange Servers, Exchange Organization Administrators, and Authenticated Users groups. This container is used to store public folder proxy objects and Exchange-related system objects, such as the mailbox database’s mailbox.
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Sets the objectVersion property in the Microsoft Exchange System Objects container under DC=. To see the version that should be shown after this command completes, look up the version of Exchange 2013 you’re installing in the table in Exchange 2013 Active Directory versions.
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Creates a domain global group in the current domain called Exchange Install Domain Servers. The command places this group in the Microsoft Exchange System Objects container. It also adds the Exchange Install Domain Servers group to the Exchange Servers USG in the root domain.

◦Assigns permissions at the domain level for the Exchange Servers USG and the Organization Management USG.