Processing Intergrity and Availability Controls

Which of the following measures the amount of data that might be potentially lost as a result of a system failure?

• A. recovery time objective (RTO)

• B. recovery point objective (RPO)

• C. disaster recovery plan (DRP)

• D. business continuity plan (BCP)

Prenumbering of all source documents is a mitigating control to preserve processing integrity at what stage of the process?

• A. input

• B. processing

• C. output

Automated controls supplement manual safeguards in checking source documents for reasonableness and propriety. Which of the following is not a data entry control?

• A. a sign check

• B. a range check

• C. a validity check

• D. a stability check

A reasonableness test checks the validity of the logical relationship between two data items. It is an application control that verifies that an account number entered in a transaction record matches an account number in the related master file.

• True

• False

Which of the following statements is true?

• a. Incremental daily backups are faster to perform than differential daily back-ups, but restoration is slower and more complex.

• b. Incremental daily backups are faster to perform than differential daily backups, and restoration is faster and simpler.

• c. Differential daily backups are faster to perform than incremental daily back-ups, but restoration is slower and more

  complex.

• d. Differential daily backups are faster to perform than incremental daily backups, and restoration is faster and simpler.

A transposition error results when numbers of two adjacent columns are inadvertently exchanged (for example, 64 is written instead of 46). It can be mitigated with

• a. input controls.

• b. processing controls.

• c. output controls.

Which of the following is an example of the kind of batch total called a hash total?

• a. the sum of the purchase amount field in a set of purchase orders

• b. the sum of the purchase order number field in a set of purchase orders

• c. the number of completed documents in a set of purchase orders

• d. All of the above

Which of the following statements is true?

• a. Virtualization significantly reduces RTO for hardware problems.

• b. Cloud computing reduces the risk that a single catastrophe from either a natural disaster or terrorist attack would

  result in significant downtime and loss of availability.

• c. Backups still need to be made when using either virtualization or cloud computing.

• d. All of the above are true.

What is the name of the basic option for replacing IT infrastructure that is an empty building, prewired for necessary telephone and Internet access, plus a contract with one or more vendors to provide all necessary equipment within a specified period of time?

• a. hot site

• b. cold site

• c. switch site

Which of the following is a control that can be used to verify the accuracy of information transmitted over a network?

• a. completeness check

• b. check digit

• c. parity bit

• d. size check