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Windows Active directory Interview Questions !

>What is sites ? What are they used for ?
One or more well-connected (highly reliable and fast) TCP/IP subnets.
A site allows administrators to configure Active Directory access and replication topology to take advantage of the physical network.

A Site object in Active Directory represents a physical geographic location that hosts networks. Sites contain objects called Subnets.

Sites can be used to Assign Group Policy Objects, facilitate the discovery of resources, manage active directory replication, and manage network link traffic.
Sites can be linked to other Sites. Site-linked objects may be assigned a cost value that represents the speed, reliability, availability, or other real property of a physical resource. Site Links may also be assigned a schedule.

>Trying to look at the Schema, how can I do that ?
register schmmgmt.dll using this command
c:\windows\system32>regsvr32 schmmgmt.dll
Open mmc --> add snapin --> add Active directory schema
name it as schema.msc
Open administrative tool --> schema.msc

>What is the port no of Kerberos ?
88

>What is Kerberos & Kerberos Authentication?
Kerberos provides secure user authentication with an industry standard that permits interoperability. The Active Directory domain controller maintains user account and log-in information to support the Kerberos service.

The Kerberos version 5 authentication protocol provides a mechanism for authentication — and mutual authentication — between a client and a server, or between one server and another server.

>What is the port no of Global catalog ?
3268

>What Is the Global Catalog ?
The global catalog is a distributed data repository that contains a searchable, partial representation of every object in every domain in a multidomain Active Directory Domain Services (AD DS) forest. The global catalog is stored on domain controllers that have been designated as global catalog servers and is distributed through multimaster replication. Searches that are directed to the global catalog are faster because they do not involve referrals to different domain controllers.

>What is the port no of LDAP ?
389

>What is LDAP ?
The Lightweight Directory Access Protocol is an application protocol for accessing and maintaining distributed directory information services over an Internet Protocol network.

>Explain Active Directory Schema ?
Windows 2000 and Windows Server 2003 Active Directory uses a database set of rules called "Schema". The Schema is defines as the formal definition of all object classes, and the attributes that make up those object classes, that can be stored in the directory. As mentioned earlier, the Active Directory database includes a default Schema, which defines many object classes, such as users, groups, computers, domains, organizational units, and so on.

These objects are also known as "Classes". The Active Directory Schema can be dynamically extensible, meaning that you can modify the schema by defining new object types and their attributes and by defining new attributes for existing objects. You can do this either with the Schema Manager snap-in tool included with Windows 2000/2003 Server, or programmatically.

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Windows AD Interview Questions

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