Answer / lokesh derashri

1 A server operating system is software that was especially developed to serve as a platform for running multi-user computer programs, applications that are networked and programs critical to business computing. This type of operating system (OS) often comes bundled with the most common types of applications deployed in the client-server model, a term used to indicate the exchange of information between computers. For example, a hypertext transfer protocol (HTTP) or web server hosts or "holds" the text files, images files and scripts that work together to form a website. When someone connects to the Internet and types in a web address, the server that holds the files of the site delivers or "serves" the requested pages to the client computer or the machine that made the request.


2. Domain Controller is a perception and approved access to many computer resources with the use of only single password and user name. Domain Controllers are used for security authentication request such as permission checking, logging in etc. Windows NT employs the thought of a domain to supervise access to a set of network possessions such as different type of applications, and printers. The user only log into the domain to get access to dissimilar resources which may be situated on different servers in a network. on any windows server system a domain controller is a server that act in response to security because domain controller are the central to the security and secured a network highly including all devices. PDC and BDC are tasks that can be conveyed to a server in a network that make use of the operating system of Windows NT. A domain controller performs the following task
The domain controller is the custodian of the system and that the safety of all the systems in the domain depends upon sheltering the Domain Controller glowing.
The security of the network is reliant on physically securing and cautiously sustaining the domain controller.
Secure the Domain Controller according to the commendation by Microsoft for a domain controller.
The functionality of domain controller is unsuited with some other functions such as mail client, ftp server, web server, mail server etc which may cause to increase the menace of negotiation to an improper level.
Strictly confine the access to the Domain Controller from the Internet and the superfluous component of a network.

Answer / suresh kumar verma

Server-oriented operating systems tend to have certain
features in common that make them more suitable for the
server environment, such as

1.GUI not available or optional
2.ability to reconfigure and update both hardware and
software to some extent without restart,
3.advanced backup facilities to permit regular and
frequent online backups of critical data,
4.transparent data transfer between different volumes or
devices,
5. flexible and advanced networking capabilities,
6.automation capabilities such as daemons in UNIX and
services in Windows, and
7.tight system security, with advanced user, resource,
data, and memory protection.

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