which maintain the information assurance and the security posture of a system or site?

Which of the following processes provides a standard set of activities, general tasks, and a management structure to certify and accredit systems, which maintain the information assurance and the security posture of a system or site?

A.
ASSET

B.
NSA-IAM

C.
DITSCAP

D.
NIACAP

Explanation:

NIACAP is a process, which provides a standard set of activities, general tasks, and a management structure to certify and accredit systems that maintain the information assurance and the security posture of a system or site.
Answer option C is incorrect. DITSCAP is a process, which establishes a standard process, a set of activities, general task descriptions, and a management structure to certify and accredit the IT systems that will maintain the required security posture.

Answer option B is incorrect. The NSA-IAM evaluates information systems at a high level and uses a subset of the SSE-CMM process areas to measure the implementation of information security on these systems. Answer option A is incorrect. ASSET is a tool developed by NIST to automate the process of self-assessment through the use of the questionnaire in NIST.
Reference: CISM Review Manual 2010, Contents. "Information security process management"