A new startup company is growing and wants to deploy a human resources management system on a private cloud that is only accessible to the human resources department. Which of the following is the BEST method of access control?
Answer is C
Non-Discretionary Access Control
Role-Based Access Control (RBAC) defines how information is accessed on a system based on the role of the subject. A role could be a nurse, a backup administrator, a help desk technician, etc. Subjects are grouped into roles and each defined role has access permissions based upon the role, not the individual.
Discretionary Access Controls (DAC)
Discretionary Access Control (DAC) gives subjects full control of objects they have created or been given access to, including sharing the objects with other subjects. Subjects are empowered and control their data. Standard UNIX and Windows operating systems use DAC for file systems: subjects can grant other subjects access to their files, change their attributes, alter them, or delete them.
If a subject makes a mistake, such as attaching the wrong file to an email sent to a public mailing list, loss of confidentiality can result. Mistakes and malicious acts can also lead to a loss of integrity or availability of data.
No NDAC is another term for object based access control which cloud based
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