Isaca Certified Information Systems Auditor CISA Question # 164 Topic 17 Discussion
CISA Exam Topic 17 Question 164 Discussion:
Question #: 164
Topic #: 17
Which of the following will BEST ensure that a proper cutoff has been established to reinstate transactions and records to their condition just prior to a computer system failure?
A.
Rotating backup copies of transaction files offsite
B.
Using a database management system (DBMS) to dynamically back-out partially processed transactions
C.
Maintaining system console logs in electronic formal
D.
Ensuring bisynchronous capabilities on all transmission lines
The best way to ensure that a proper cutoff has been established to reinstate transactions and records to their condition just prior to a computer system failure is to use a database management system (DBMS) to dynamically back-out partially processed transactions. A DBMS is a software system that manages the creation, manipulation, retrieval, and security of data stored in a database. A DBMS can provide features such as transaction management, concurrency control, recovery management, and integrity management. A DBMS can dynamically back-out partially processed transactions by using mechanisms such as rollback segments, undo logs, or write-ahead logs. These mechanisms allow the DBMS to restore the database to a consistent state before the failure occurred. References:
CISA Review Manual (Digital Version)
CISA Questions, Answers and Explanations Database
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