Discussion
_____ information assurance fundamental tools are used to maintain cyber security.
Answer: D
The answer is All of the above.
Information assurance protects information through a set of services: confidentiality, integrity, availability, authentication and non-repudiation. Authentication verifies that a user or system is who it claims to be. Authorization then decides what an authenticated user may access. Non-repudiation, usually through digital signatures and logs, ensures that a sender cannot later deny having sent a message or carried out a transaction.
All three are standard tools for maintaining cyber security, so choosing any one of them alone leaves out the other two.
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