Active Directory Quick Reference Guide

Q-1: What is Active Directory?

Active Directory is database services which contains all the information of Objects such as Users, Computer, OU, Printers and so on. Its enable Authentication and Authorization for client in domain. It used to manage Centralized Security in network.

Q-2: In which location store Active Directory file?

Ans: %Systemroot%/NDTS/ntds.dit

C:/Windows/NDTS/ntds.dit

Q-3: What is  file name which Active Directory store?

Ans: Ntds.dit

Q-4: Which protocol is used by Active Directory?

Ans: LDAP (Lightweight Directory Access Protocol)

Q-5: How many partitions in Active Directory?

Ans: Schema Partition, Domain Partition, Configuration Partition and Application Partition.

Q-6: How to check FSMO Role in Windows Server?

Ans: Netdom query

Q-7: How many files are create in NTDS folder? Brief describes.

Ans: Ntds.dit: Active Directory database

Edb.chk: The checkpoint file.

Edb*.log: The transaction logs; each 10 megabytes (MB) in size.

Res1.log and Res2.log : Reserved Transaction logs.

Q-8: What is the Sysvol folder?

Sysvol stand for system volume. It contains all information and share folder copy of domain and also Group Policy Security.

Q-9: What is the logical/physical structure of AD environment?

Ans: Physical Structure: Domain Controller and Site

Logical Structure: Domain, Tree, Forest and Organization Unit.

Q-10: How to take backup of Active Directory?

Ans: System State data where all the Active Directory file and information store. Utility for backup Ntbackup and wbadmin.

Q-11: What is stand for DC, CDC, ADC and RODC?

Ans: DC stands for Domain Controller.

CDC stands for Child Domain Controller.

ADC stands for Additional Domain Controller.

RODC stands for Read Only Domain Controller.

Q-12: What is object and example of distinguished name?

Ans: Objects are located within Active Directory Domains according to a hierarchical path, which includes the labels of the Active Directory domain name and each level of container objects. The full path to the object is defined by the distinguished name (also known as a “DN”). The name of the object itself, separate from the path to the object, is defined by the relative distinguished name.

Example: CN=Imran, OU=IT, DC=Test, DC=COM

Q-13: What is OU?

Ans: OU stands for Organization Unit. It is collection for users and group and it give us platform to apply group policy security on users and group.

Q-14: Why do we create OU?

Ans:  OU stands for Organization Unit, it helps to manage user and group according to department and give us platform to implement group policy security according to department. Its make easy to find out user belong which department.