To answer this question, you need to understand the roles and responsibilities in information classification.
Option A) Functional Manager - This option is incorrect because while functional managers may have input in the classification process, they do not have the primary responsibility for determining the classification level of information.
Option B) Senior Management - This option is incorrect because while senior management may have overall responsibility for information security, they typically do not have the primary responsibility for determining the classification level of information.
Option C) The owner - This option is correct. The primary responsibility for determining the classification level of information lies with the owner of the information. The owner is the individual or entity that has ultimate responsibility for the information and understands its value and sensitivity.
Option D) The user - This option is incorrect. While users may have a role in implementing and following the classification guidelines, they typically do not have the primary responsibility for determining the classification level of information.
The correct answer is option C) The owner. This option is correct because the owner of the information has the primary responsibility for determining its classification level based on its value and sensitivity.