Which of the following is an object-oriented technology
characteristic that permits an enhanced degree of security
over data?
A. Inheritance
B. Dynamic warehousing
C. Encapsulation
D. Polymorphism
Answer / guest
Answer: C
Encapsulation is a property of objects, which prevents
accessing either properties or methods, that have not been
previously defined as public. This means that any
implementation of the behavior of an object is not
accessible. An object defines a communication interface with
the exterior and only whatever belongs to that interface can
be accessed.
| Is This Answer Correct ? | 11 Yes | 0 No |
A hub is a device that connects: A. two LANs using different protocols. B. a LAN with a WAN. C. a LAN with a metropolitan area network (MAN). D. two segments of a single LAN.
Which of the following ensures completeness and accuracy of accumulated data? A. Processing control procedures B. Data file control procedures C. Output controls D. Application controls
The reason for having controls in an IS environment: A. remains unchanged from a manual environment, but the implemented control features may be different. B. changes from a manual environment, therefore the implemented control features may be different. C. changes from a manual environment, but the implemented control features will be the same. D. remains unchanged from a manual environment and the implemented control features will also be the same.
Which of the following is an objective of a control self-assessment (CSA) program? A. Concentration on areas of high risk B. Replacement of audit responsibilities C. Completion of control questionnaires D. Collaborative facilitative workshops
A single digitally signed instruction was given to a financial institution to credit a customer's account. The financial institution received the instruction three times and credited the account three times. Which of the following would be the MOST appropriate control against such multiple credits? A. Encrypting the hash of the payment instruction with the public key of the financial institution. B. Affixing a time stamp to the instruction and using it to check for duplicate payments. C. Encrypting the hash of the payment instruction with the private key of the instructor. D. Affixing a time stamp to the hash of the instruction before being digitally signed by the instructor.
An IS auditor conducting a review of software usage and licensing discovers that numerous PCs contain unauthorized software. Which of the following actions should the IS auditor take? A. Personally delete all copies of the unauthorized software. B. Inform auditee of the unauthorized software, and follow up to confirm deletion. C. Report the use of the unauthorized software to auditee management and the need to prevent recurrence. D. Take no action, as it is a commonly accepted practice and operations management is responsible for monitoring such use.
An advantage of using sanitized live transactions in test data is that: A. all transaction types will be included. B. every error condition is likely to be tested. C. no special routines are required to assess the results. D. test transactions are representative of live processing.
In a small organization, where segregation of duties is not practical, an employee performs the function of computer operator and application programmer. Which of the following controls should the IS auditor recommend? A. Automated logging of changes to development libraries B. Additional staff to provide segregation of duties C. Procedures that verify that only approved program changes are implemented D. Access controls to prevent the operator from making program modifications
Which of the following risks would be increased by the installation of a database system? A. Programming errors B. Data entry errors C. Improper file access D. Loss of parity
Assumptions while planning an IS project involve a high degree of risk because they are: A. based on known constraints. B. based on objective past data. C. a result of lack of information. D. often made by unqualified people.
One of the purposes of library control software is to allow: A. programmers access to production source and object libraries. B. batch program updating. C. operators to update the control library with the production version before testing is completed. D. read-only access to source code.
Which of the following offsite information processing facility conditions would cause an IS auditor the GREATEST concern? The facility A. is identified clearly on the outside with the company name. B. is located more than an hour driving distance from the originating site. C. does not have any windows to let in natural sunlight. D. entrance is located in the back of the building rather than the front.