Information Systems Flashcards

Which control ensures that data entered into an accounting system falls within a predefined acceptable range?

Answer: Range check

A range check validates that entered data values fall between a specified minimum and maximum to prevent out-of-bounds entries.

In a relational database, a foreign key is used to:

Answer: Establish a link between two tables

A foreign key references the primary key of another table, enforcing referential integrity between related tables.

Which disaster recovery strategy involves maintaining a fully operational duplicate site ready to take over immediately?

Answer: Hot site

A hot site is a fully equipped and operational backup facility that can assume production workloads immediately after a failure.

The primary purpose of an IT general control (ITGC) review is to:

Answer: Assess controls over the IT environment that support application controls

ITGCs encompass controls over change management, access, and operations that provide the foundation for application-level controls.

A hash total used as a batch control is best described as:

Answer: A meaningless arithmetic total of a non-dollar field used for error detection

A hash total is the sum of a field (such as account numbers) that has no inherent meaning but detects missing, added, or altered records.

Which access control model assigns permissions based on an individual's role within the organization?

Answer: Role-Based Access Control (RBAC)

RBAC grants access rights to users based on their assigned organizational roles, simplifying permission management.

Which of the following best describes a 'system changeover' using the parallel operation method?

Answer: Both old and new systems run simultaneously until the new system is verified

Parallel operation runs both systems concurrently so outputs can be compared, reducing risk before full cutover.