Active Directory Page 3


>What is difference between Server 2003 vs 2008?

1. Virtualization. (Windows Server 2008 introduces Hyper-V (V for Virtualization) but only on 64bit versions. More and more companies are seeing this as a way of reducing hardware costs by running several ‘virtual’ servers on one physical machine.)
2. Server Core (provides the minimum installation required to carry out a specific server role, such as for a DHCP, DNS or print server)
3. Better security.
4. Role-based installation.
5. Read Only Domain Controllers (RODC).
6. Enhanced terminal services.
7. Network Access Protection – Microsoft’s system for ensuring that clients connecting to Server 2008 are patched, running a firewall and in compliance with corporate security policies.
8. Power Shell – Microsoft’s command line shell and scripting language has proved popular with some server administrators.
9. IIS 7.
10. Bit locker – System drive encryption can be a sensible security measure for servers located in remote branch offices. The main difference between 2003 and 2008 is Virtualization, management. 2008 has more in-build components and updated third party drivers.
11. Windows Aero.

>What are the requirements for installing AD on a new server?
1 The Domain structure.
2 The Domain Name.
3 storage location of the database and log file.
4 Location of the shared system volume folder.
5 DNS config Method.
6 DNS configuration.

>What is LDP?

LDP: Label Distribution Protocol (LDP) is often used to establish MPLS LSPs when traffic engineering is not required. It establishes LSPs that follow the existing IP routing, and is particularly well suited for establishing a full mesh of LSPs between all of the routers on the network.

>What are the Groups types available in active directory ?

Security groups: Use Security groups for granting permissions to gain access to resources. Sending an e-mail message to a group sends the message to all members of the group. Therefore security groups share the capabilities of distribution groups.

Distribution groups: Distribution groups are used for sending e-main messages to groups of users. You cannot grant permissions to security groups. Even though security groups have all the capabilities of distribution groups, distribution groups still requires, because some applications can only read distribution groups.

>Explain about the groups scope in AD?

Domain Local Group: Use this scope to grant permissions to domain resources that are located in the same domain in which you created the domain local group. Domain local groups can exist in all mixed, native and interim functional level of domains and forests. Domain local group memberships are not limited as you can add members as user accounts, universal and global groups from any domain. Just to remember, nesting cannot be done in domain local group. A domain local group will not be a member of another Domain Local or any other groups in the same domain.

Global Group: Users with similar function can be grouped under global scope and can be given permission to access a resource (like a printer or shared folder and files) available in local or another domain in same forest. To say in simple words, Global groups can be use to grant permissions to gain access to resources which are located in any domain but in a single forest as their memberships are limited. User accounts and global groups can be added only from the domain in which global group is created. Nesting is possible in Global groups within other groups as you can add a global group into another global group from any domain. Finally to provide permission to domain specific resources (like printers and published folder), they can be members of a Domain Local group. Global groups exist in all mixed, native and interim functional level of domains and forests.

Universal Group Scope: These groups are precisely used for email distribution and can be granted access to resources in all trusted domain as these groups can only be used as a security principal (security group type) in a windows 2000 native or windows server 2003 domain functional level domain. Universal group memberships are not limited like global groups. All domain user accounts and groups can be a member of universal group. Universal groups can be nested under a global or Domain Local group in any domain.

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