NIST SP 800-53A defines three types of interview depending on the level of assessment conducted.
Which of the following NIST SP 800-53A interviews consists of informal and ad hoc interviews.
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A. B. C. D.A.
NIST SP 800-53A is a guide published by the National Institute of Standards and Technology (NIST) that provides procedures for assessing the effectiveness of security controls and privacy controls in information systems. The guide defines three types of interviews based on the level of assessment conducted, which are:
Abbreviated interview: This type of interview is conducted during a quick and focused assessment of security controls. Abbreviated interviews are informal and ad hoc, and they are used to gather information quickly and efficiently. The purpose of these interviews is to provide a high-level understanding of the security controls in place.
Significant interview: This type of interview is conducted during a more detailed assessment of security controls. Significant interviews are structured and planned in advance, and they are used to gather specific information about the security controls in place. The purpose of these interviews is to assess the effectiveness of the security controls and to identify areas for improvement.
Substantial interview: This type of interview is conducted during a comprehensive assessment of security controls. Substantial interviews are highly structured and follow a strict methodology. They are used to gather detailed information about the security controls in place, including the policies, procedures, and technical controls. The purpose of these interviews is to assess the effectiveness of the security controls and to identify any weaknesses or vulnerabilities.
Based on the descriptions above, the answer to the question is A. Abbreviated interview, as this type of interview is informal and ad hoc.