1. Difference between NT & 2000 NT SAM database is a flat database. Where as in windows 2000 active directory database is a hierarchical
database.
In Windows NT only PDC is having writable copy of SAM database but the BDC is only read only
database. In case of Windows 2000 both DC and ADC is having write copy of the database
Windows NT will not support FAT32 file system. Windows 2000 supports FAT32
Default authentication protocol in NT is NTLM (NT LAN manager). In windows 2000 default
authentication protocol is Kerberos V5.
Windows 2000 depends and Integrated with DNS. NT user Netbios names
Active Directory can be backed up easily with System state data
2. Difference between 2000 & 2003
Application Server mode is introduced in windows 2003
Possible to configure stub zones in windows 2003 DNS
Volume shadow copy services is introduced
Windows 2003 gives an option to replicate DNS data b/w all DNS servers in forest or All DNS servers in
the domain.
Refer Question 1 for all Enhancements
4. Difference between PDC & BDC
PDC contains a write copy of SAM database where as BDC contains read only copy of SAM database. It is
not possible to reset a password or create objects with out PDC in Windows NT.
5. Difference between DC & ADC
There is no difference between in DC and ADC both contains write copy of AD. Both can also handles
FSMO roles (If transfers from DC to ADC). It is just for identification. Functionality wise there is no
difference.
6. What is DNS & WINS
DNS is a Domain Naming System, which resolves Host names to IP addresses. It uses fully qualified
domain names. DNS is a Internet standard used to resolve host names
WINS is a Windows Internet Name Service, which resolves Netbios names to IP Address. This is
proprietary for Windows
7. Types of DNS Servers
We can configure 7 types of DNS servers in windows.
Primary DNS
Secondary DNS
Active Directory Integrated DNS
Root DNS
Forwarder
Master
Caching only DNS
8. If DHCP is not available what happens to the client
Client will not get IP and it cannot be participated in network. If client already got the IP and having lease
duration it use the IP till the lease duration expires.
9. what are the different types of trust relationships
Implicit Trusts
Explicit Trusts—NT to Win2k or Forest to Forest
10. what is the process of DHCP for getting the IP address to the client
There is a four way negotiation process b/w client and server
DHCP Discover (Initiated by client)
DHCP Offer (Initiated by server)
DHCP Select (Initiated by client)
DHCP Acknowledgement (Initiated by Server)
DHCP Negative Acknowledgement (Initiated by server if any issues after DHCP offer)
11. Difference between FAT,NTFS & NTFSVersion5
NTFS Version 5 features
Encryption is possible
We can enable Disk Quotas
File compression is possible
Sparse files
Indexing Service
NTFS change journal
In FAT file system we can apply only share level security. File level protection is not possible. In NTFS we
can apply both share level as well as file level security
NTFS supports large partition sizes than FAT file systems
NTFS supports long file names than FAT file systems
12. What are the port numbers for FTP, Telnet, HTTP, DNS
FTP-21, Telnet – 23, HTTP-80, DNS-53, Kerberos-88, LDAP-389,https:441,NNTP:119.
database.
In Windows NT only PDC is having writable copy of SAM database but the BDC is only read only
database. In case of Windows 2000 both DC and ADC is having write copy of the database
Windows NT will not support FAT32 file system. Windows 2000 supports FAT32
Default authentication protocol in NT is NTLM (NT LAN manager). In windows 2000 default
authentication protocol is Kerberos V5.
Windows 2000 depends and Integrated with DNS. NT user Netbios names
Active Directory can be backed up easily with System state data
2. Difference between 2000 & 2003
Application Server mode is introduced in windows 2003
Possible to configure stub zones in windows 2003 DNS
Volume shadow copy services is introduced
Windows 2003 gives an option to replicate DNS data b/w all DNS servers in forest or All DNS servers in
the domain.
Refer Question 1 for all Enhancements
4. Difference between PDC & BDC
PDC contains a write copy of SAM database where as BDC contains read only copy of SAM database. It is
not possible to reset a password or create objects with out PDC in Windows NT.
5. Difference between DC & ADC
There is no difference between in DC and ADC both contains write copy of AD. Both can also handles
FSMO roles (If transfers from DC to ADC). It is just for identification. Functionality wise there is no
difference.
6. What is DNS & WINS
DNS is a Domain Naming System, which resolves Host names to IP addresses. It uses fully qualified
domain names. DNS is a Internet standard used to resolve host names
WINS is a Windows Internet Name Service, which resolves Netbios names to IP Address. This is
proprietary for Windows
7. Types of DNS Servers
We can configure 7 types of DNS servers in windows.
Primary DNS
Secondary DNS
Active Directory Integrated DNS
Root DNS
Forwarder
Master
Caching only DNS
8. If DHCP is not available what happens to the client
Client will not get IP and it cannot be participated in network. If client already got the IP and having lease
duration it use the IP till the lease duration expires.
9. what are the different types of trust relationships
Implicit Trusts
Explicit Trusts—NT to Win2k or Forest to Forest
10. what is the process of DHCP for getting the IP address to the client
There is a four way negotiation process b/w client and server
DHCP Discover (Initiated by client)
DHCP Offer (Initiated by server)
DHCP Select (Initiated by client)
DHCP Acknowledgement (Initiated by Server)
DHCP Negative Acknowledgement (Initiated by server if any issues after DHCP offer)
11. Difference between FAT,NTFS & NTFSVersion5
NTFS Version 5 features
Encryption is possible
We can enable Disk Quotas
File compression is possible
Sparse files
Indexing Service
NTFS change journal
In FAT file system we can apply only share level security. File level protection is not possible. In NTFS we
can apply both share level as well as file level security
NTFS supports large partition sizes than FAT file systems
NTFS supports long file names than FAT file systems
12. What are the port numbers for FTP, Telnet, HTTP, DNS
FTP-21, Telnet – 23, HTTP-80, DNS-53, Kerberos-88, LDAP-389,https:441,NNTP:119.
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