Explanation/Reference:
Explanation:
Multifactor authentication systems are composed of something the user knows, has, and/or is, not something the user sends. Multifactor authentication commonly uses something that a user knows, has, and/or is (such as biometrics or features).

Video surveillance will not provide meaningful information and will not enhance trust. All the others will do it.

Explanation
Regulatory changes by themselves would not trigger a need for new testing of a BCDR plan. Any changes necessary for regulatory compliance would be accomplished through configuration changes or software updates, which in turn would then trigger the necessary new testing. Annual testing is crucial to any BCDR plan. Also, any time major configuration changes or software updates are done, the plan should be evaluated and tested to ensure it is still valid and complete.

Explanation/Reference:
Explanation:
The main problem when it comes to data discovery is the quality of the data that analysis is being performed against. Data that is malformed, incorrectly stored or labeled, or incomplete makes it very difficult to use analytical tools against.