CISA Question 419

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose A2

  The abrupt changeover technique, also known as direct cut-over, involves replacing an old system with a new one all at once. This technique has a high risk as it does not allow for a fallback if problems occur with the new system. Comprehensive testing of the new application prior to the changeover is the best way to mitigate the risk of system failure as it helps in identifying and resolving any issues before the live implementation. Other options like comprehensive documentation, threat and risk assessment, and change management are all important in a system replacement project but they do not directly prevent a potential system failure during abrupt changeover as comprehensively as thorough testing does.

• 1

  A because is abrupt changeover.

• Chose D1

  Change mgmt as it take care of rollback procedure