What are the four layers that Windows NT have in order to achieve independence?
�� Hardware abstraction layer
�� Kernel
�� Subsystems
�� System Services.
What are the key object oriented concepts used by Windows NT?
�� Encapsulation
�� Object class and instance
Is Windows NT a full blown object oriented operating system? Give reasons.
No Windows NT is not so, because its not implemented in object oriented
language and the data structures reside within one executive component and are not
represented as objects and it does not support object oriented capabilities .
What is mutant?
In Windows NT a mutant provides kernel mode or user mode mutual exclusion
with the notion of ownership.
What is FtDisk?
It is a fault tolerance disk driver for Windows NT.
What are rings in Windows NT?
Windows NT uses protection mechanism called rings provides by the process to
implement separation between the user mode and kernel mode.
What is Executive in Windows NT?
In Windows NT, executive refers to the operating system code that runs in kernel
mode.
What are the sub-components of I/O manager in Windows NT?
�� Network redirector/ Server
�� Cache manager.
�� File systems
�� Network driver
�� Device driver
What are DDks? Name an operating system that includes this feature.
DDks are device driver kits, which are equivalent to SDKs for writing device
drivers. Windows NT includes DDks.
What level of security does Windows NT meets?
C2 level security.
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