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What is the purpose of the ISOO CUI Registry?

A. A government-wide online repository for Federal-level guidance regarding CUI policy and practice

B. A DoD online repository for foreign guidance regarding CUI policy and practice

C. A DoD secure communications system between Adjudicators, Security Officers, and Component Adjudicators in support of eligibility and access management

D. A government-wide database of privacy information used to identify individuals\' personally identifiable information (PII)