1.Difference B/W NTFS & FAT32?
NTFS stands for New Technology File System.
NTFS allows we can create a volume up to 16TB (terabytes) using the default cluster size 4KB and NTFS allows we can create a volume up to 256TB using the cluster size of 64KB,
Minimum volume size approximately 10MB.
NTFS allows set permission on a file or folder and we can specify the users or group who can restrict or allow and select the specify type of access.
NTFS allows create disk quota limits, supports compression, file and folder encryption is available. NTFS cannot support Floppy’s.

FAT 32 stands for File Allocation Table 32 partition size minimum 512MB to maximum 2TB and maximum file size 4GB. FAT32 supports Floppy drives. File and folder encryption is not possible


2. What is forest?
Forest is one or more Trees these trees share common configuration, schema information and automatic trust relationship between trees and domains with in a forest.

3. What is Tree?
More than one domain.
example: parent domains and child domains.

4. What is Domain?
Active directory domain is a collection of computers that share common databases and alsos share common security policies with other domains.
Active directory domain is a set of network resources (computers, printers, applicaions so for) for a gruop of users, The user log in to the domain then only they can access the resources.

5. What is Domain controller?
Domain controller is a server that is responsible for allowing host access to Windows domain resources.
Domain controllers used to individual login and get the authentication from the domain controller, location for the domain and all the database information for the domain its replicated each and every domain controllers.