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Digital signatures require the:
A. signer to have a public key and the receiver to have a
private key.
B. signer to have a private key and the receiver to have a
public key.
C. signer and receiver to have a public key.
D. signer and receiver to have a private key.
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Answer: B
Digital signatures are intended to verify to a recipient the
integrity of the data and the identity of the sender. The
digital signature standard is a public key algorithm. This
requires the signer to have a private key, and the receiver
to have a public key.
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An organization has contracted with a vendor for a turnkey solution for their electronic toll collection system (ETCS). The vendor has provided its proprietary application software as part of the solution. The contract should require that: A. a backup server be available to run ETCS operations with up-to-date data. B. a backup server be loaded with all the relevant software and data. C. the systems staff of the organization be trained to handle any event. D. source code of the ETCS application be placed in escrow.
Naming conventions for system resources are important for access control because they: A. ensure that resource names are not ambiguous. B. reduce the number of rules required to adequately protect resources. C. ensure that user access to resources is clearly and uniquely identified. D. ensure that internationally recognized names are used to protect resources.
Capacity monitoring software is used to ensure: A. maximum use of available capacity. B. that future acquisitions meet user needs. C. concurrent use by a large number of users. D. continuity of efficient operations.
Passwords should be: A. assigned by the security administrator. B. changed every 30 days at the discretion of the user. C. reused often to ensure the user does not forget the password. D. displayed on the screen so that the user can ensure that it has been entered properly.
Information for detecting unauthorized input from a terminal would be BEST provided by the: A. console log printout. B. transaction journal. C. automated suspense file listing. D. user error report.
An IS auditor performing a review of the EFT operations of a retailing company would verify that the customers credit limit is checked before funds are transferred by reviewing the EFT: A. system's interface. B. switch facility. C. personal identification number generating procedure. D. operation backup procedures.
The PRIMARY advantage of a continuous audit approach is that it: A. does not require an IS auditor to collect evidence on system reliability while processing is taking place. B. requires the IS auditor to review and follow up immediately on all information collected. C. can improve system security when used in time-sharing environments that process a large number of transactions. D. does not depend on the complexity of an organization's computer systems.
The use of object-oriented design and development techniques would MOST likely: A. facilitate the ability to reuse modules. B. improve system performance. C. enhance control effectiveness. D. speed up the system development life cycle.
Which of the following BEST provides access control to payroll data being processed on a local server? A. Logging of access to personal information B. Separate password for sensitive transactions C. Software restricts access rules to authorized staff D. System access restricted to business hours
The MOST effective method for limiting the damage of an attack by a software virus is: A. software controls. B. policies, standards and procedures. C. logical access controls. D. data communication standards.
Which of the following is a disadvantage of image processing? A. Verifies signatures B. Improves service C. Relatively inexpensive to use D. Reduces deterioration due to handling
In reviewing the IS short-range (tactical) plan, the IS auditor should determine whether: A. there is an integration of IS and business staffs within projects. B. there is a clear definition of the IS mission and vision. C. there is a strategic information technology planning methodology in place. D. the plan correlates business objectives to IS goals and objectives.
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