John had implemented a validation check on the marital status field of a payroll record. A payroll record contains a field for marital status and acceptable status code are M for Married or S for Single. If any other code is entered, record should be rejected. Which of the following data validation control was implemented by John?

The PRIMARY purpose of audit trails is to:

While implementing an invoice system, Lily has implemented a database control which checks that new transactions are matched to those previously input to ensure that they have not already been entered. Which of the following control is implemented by Lily?

How does the process of systems auditing benefit from using a risk-based approach to audit planning?

Hamid needs to shift users from using the application from the existing (Old) system to the replacing (new) system. His manager Lily has suggested he uses an approach in which the newer system is changed over from the older system on a cutoff date and time and the older system is discontinued once the changeover to the new system takes place. Which of the following changeover approach is suggested by Lily?

After an IS auditor has identified threats and potential impacts, the auditor should:

William has been assigned a changeover task. He has to break the older system into deliverable modules. Initially, the first module of the older system is phased out using the first module of a new system. Then, the second module of the old system is phased out, using the second module of the newer system and so forth until reaching the last module. Which of the following changeover system William needs to implement?

The use of statistical sampling procedures helps minimize:

In which of the following payment mode, the payer creates payment transfer instructions, signs it digitally and sends it to issuer?

What type of risk results when an IS auditor uses an inadequate test procedure and concludes that material errors do not exist when errors actually exist?