Which of the following is BEST achieved through the use of eXtensible Access Markup Language (XACML)?
A. Minimize malicious attacks from third parties
B. Manage resource privileges
C. Share digital identities in hybrid cloud
D. Defined a standard protocol
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see also: https://www.oasis-open.org/committees/download.php/2713/Brief_Introduction_to_XACML.html
XACML is an OASIS standard that describes both a policy language and an access control decision request/response language (both written in XML).
Why not B?
XACML stands for “eXtensible Access Control Markup Language”. The standard defines a declarative fine-grained, attribute-based access control policy language,[2] an architecture, and a processing model describing how to evaluate access requests according to the rules defined in policies.
As a published standard specification, one of the goals of XACML is to promote common terminology and interoperability between access control implementations by multiple vendors.
https://en.wikipedia.org/wiki/XACML#:~:text=The%20standard%20defines%20a%20declarative,the%20rules%20defined%20in%20policies.&text=Role%2Dbased%20access%20control%20(RBAC,as%20a%20specialization%20of%20ABAC.