FUNDAMENTALS OF COMPUTER

APPLICATION SYSTEM SOFTWARE

SYSTEMS SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
User access levels for a computer system are controlled using which part of the operating system?
A
Memory management
B
File and disk management
C
User management
D
User interface
Explanation: 

Detailed explanation-1: -In general, commercial operating systems use discretionary access control (DAC) with access control list (ACL) implementation to provide protection to system resources. Among these are most MS Windows operating systems (XP, NT, etc.) and UNIX/LINUX varieties.

Detailed explanation-2: -Role-based access control (RBAC)

Detailed explanation-3: -Access levels are a way for organizations to control who has access to information or resources. They are also known as security labels, permissions, roles, rights, or privileges.

Detailed explanation-4: -File access control is the technique of assigning or restricting user access to certain files. It ensures that sufficient information is provided for authorized users, but is kept safe from malicious intruders attempting to launch file-based attacks or instigate data breach incidents.

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