What are FSMO roles? What is DHCP, APIPA, and other networking questions

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FSMO roles are flexible single master operations roles in Active Directory that control specific domain and forest-wide operations.

There are 5 FSMO roles: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master.
The Schema Master controls all updates and modifications to the schema.
The Domain Naming Master controls the addition or removal of domains in the forest.
The RID Master allocates sequences of unique RIDs to each domain controller in a domain.
The PDC Emulator is responsible for time synchronization and password changes.
The Infrastructure Master ensures that cross-domain object references are correctly updated.
DHCP stands for Dynamic Host Configuration Protocol and is used to automatically assign IP addresses to devices on a network.
APIPA stands for Automatic Private IP Addressing and is used when a device cannot obtain an IP address from a DHCP server.
Other networking questions may include topics such as DNS, TCP/IP, subnetting, and routing.

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