Active Directory Interview Questions & Answers

1.What is AD?
Active directory is a centralized database where it contains information about objects like Users, Groups, Computers, Printers, OUs, and Contacts & shared folders.
2.Feature of AD?
Fully Integrated Security, integration with DNS, Policy Based Administration, Scalable, Flexible, Extensible, inter operability with other directory services.
3.What is the Component of AD?
Logical Structure: Domains, Tress, Forests and OU.
Physical Structure: Sites and Domain Controllers.
4.What is structure of AD?
Logical & Physical
5.What is the protocol used by AD for directory Access?
LDAP (Light Weight Directory Access Protocol)
6.What are the naming conventions used by LDAP?
DN (Distinguished Name), RDN (Relative Distinguished Name), UPN (User Principal Name), GUID (Global Unique Identifier)
7.What is a Domain?
Domain is collection of computers connected together with a server and users.
8.What is a workgroup?
Collection of computers connected together without a server (only client).
9.What is a Tree?
Tree is a logical component of AD, is a collection of domains which share contiguous.
10.What is a Forest?
Collection of trees which don’t share contiguous name space
11.What is a Site?
Site is a physical component of AD; group of TCP/IP subnets connected with a high speed was link.
12.What is DC?
Server with AD install
13.What is a child DC?
CDC is a sub domain controller under root domain controller which share name space
14.What is an additional DC?
It is a backup server for DC.
15.How to promote DC on a member server?
Start>run>DCPROMO (Domain Controller Promotion)
16.What is a roll of ADC?
It maintains backup of AD to provide fault tolerance and network load balancing.
17.How many ADC can create on a DC?
Any no. of ADCs
18.What are the additional tools found after installing a DC?
Active Directory User and Computers,
Active Directory Sites and Services,
Active Directory Domain & Trust,
Domain Controller Security Policy,
Domain Security Policy
19.What is the diff. functional level of 2003?
Domain functional level & Forest functional level
20.What is a member server?
2000 & 2003 server which is a part of the domain
21.What is a standalone server?
Server which is not a part of domain
22.What is an Object?
It is a representation of in entity.
23.What are the different Objects in AD?
Users, Groups, Computers, Printers, OUs, Contacts & Share Folders
24.What is a Schema?
Schema is design of AD, defines objects and classes, set of rules.
25.What is an Attribute?
Attribute is a place of information about objects (Properties of Objects)
26.What is Class?
Class is a Collection of AD objects.
27.What is an FSMO?
Flexible Single Master Operation
28.What is the diff. operation master of 2003?
Schema Master, Domain Naming Master, PDC Emulator, Infrastructure Master, RID Masters.
29.What is a Schema Master?
Is responsible for overall management, structure and design of schema Only one schema master in entire forest
30.What is domain naming master?
Is responsible for addition or removal of domains and maintaining unique domain names only one domain naming master in entire forest
31.What is a PDC Emulator?
Is responsible for providing backup compatibility for NT BDCs, in mixed mode it acts like a PDC for BDCs. It updates the password changes, synchronizes time between DCs. Only one PDC Emulator per domain.
32.What is infrastructure Master?
Is responsible for updating user and group information and updating Global Catalog Only one infrastructure master per domain
33.What is RID Master?
Relative identifier is responsible for assigning unique IDs to the object s created in the AD. Only one RID Master per domain.