1. FSMO ROLES are: Schema Master, Domain Naming Master, RID Master, The PDC Emulator Master and Infrastructure Master. Explain each of these roles individually and also which ones are domain wide and which ones are forest wide, explain these in your own words.

2. Your network contains two Active Directory forests named contoso.com and adatum.com. Contoso.com contains one domain. Adatum.com contains a child domain named child.adatum.com. Contoso.com has a one-way forest trust to adatum.com. Selective authentication is enabled on the forest trust. Several user accounts are migrated from child.adatum.com to adatum.com. Users report that after the migration, they fail to access resources in contoso.com. The users successfully accessed the resources in contoso.com before the accounts were migrated. You need to ensure that the migrated users can access the resources in contoso.com. What should you do?

3. In a site that contains multiple domain controllers, how long will a domain controller wait after notifying its first replication partner before sending the change notification to its next replication partner?