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 |
Which of the following types of firewalls would BEST protect a network from an Internet attack? A. Screened subnet firewall B. Application filtering gateway C. Packet filtering router D. Circuit-level gateway
Requiring passwords to be changed on a regular basis, assigning a new one-time password when a user forgets his/hers, and requiring users not to write down their passwords are all examples of: A. audit objectives. B. audit procedures. C. controls objectives. D. control procedures.
Which of the following is MOST likely to result from a business process reengineering (BPR) project? A. An increased number of people using technology B. Significant cost savings, through a reduction in the complexity of information technology C. A weaker organizational structures and less accountability D. Increased information protection (IP) risk will increase
Which of the following encrypt/decrypt steps provides the GREATEST assurance in achieving confidentiality, message integrity and nonrepudiation by either sender or recipient? A. The recipient uses his/her private key to decrypt the secret key. B. The encrypted pre-hash code and the message are encrypted using a secret key. C. The encrypted pre-hash code is derived mathematically from the message to be sent. D. The recipient uses the sender's public key, verified with a certificate authority, to decrypt the pre-hash code.
Which of the following is the MOST reasonable option for recovering a noncritical system? A. Warm site B. Mobile site C. Hot site D. Cold site
An IS auditor conducting a review of disaster recovery planning at a financial processing organization has discovered the following: * The existing disaster recovery plan was compiled two years ago by a systems analyst in the organization's IT department using transaction flow projections from the operations department. * The plan was presented to the deputy CEO for approval and formal issue, but it is still awaiting his attention. * The plan has never been updated, tested or circulated to key management and staff, though interviews show that each would know what action to take for their area in the event of a disruptive incident. The basis of an organization's disaster recovery plan is to reestablish live processing at an alternative site where a similar, but not identical hardware configuration is already established. The IS auditor should: A. take no action as the lack of a current plan is the only significant finding. B. recommend that the hardware configuration at each site should be identical. C. perform a review to verify that the second configuration can support live processing. D. report that the financial expenditure on the alternative site is wasted without an effective plan.
Which of the following is the MOST fundamental step in effectively preventing a virus attack? A. Executing updated antivirus software in the background on a periodic basis B. Buying standard antivirus software, which is installed on all servers and workstations C. Ensuring that all software is checked for a virus in a separate PC before being loaded into the production environment D. Adopting a comprehensive antivirus policy and communicating it to all users
The responsibility for designing, implementing and maintaining a system of internal control lies with: A. the IS auditor. B. management. C. the external auditor. D. the programming staff.
When reviewing the quality of an IS department's development process, the IS auditor finds that they do not use any formal, documented methodology and standards. The IS auditor's MOST appropriate action would be to: A. complete the audit and report the finding. B. investigate and recommend appropriate formal standards. C. document the informal standards and test for compliance. D. withdraw and recommend a further audit when standards are implemented.
An organization's disaster recovery plan should address early recovery of: A. all information systems processes. B. all financial processing applications. C. only those applications designated by the IS manager. D. processing in priority order, as defined by business management.
An IS auditor is assigned to help design the data security aspects of an application under development. Which of the following provides the MOST reasonable assurance that corporate assets are protected when the application is certified for production? A. A review conducted by the internal auditor B. A review conducted by the assigned IS auditor C. Specifications by the user on the depth and content of the review D. An independent review conducted by another equally experienced IS auditor
An organization is developing a new business system. Which of the following will provide the MOST assurance that the system provides the required functionality? A. Unit testing B. Regression testing C. Acceptance testing D. Integration testing