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.
Answer / guest
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.
| Is This Answer Correct ? | 3 Yes | 0 No |
The general ledger setup function in an enterprise resource package (ERP) allows for setting accounting periods. Access to this function has been permitted to users in finance, the warehouse and order entry. The MOST likely reason for such broad access is the: A. need to change accounting periods on a regular basis.. B. requirement to post entries for a closed accounting period. C. lack of policies and procedures for the proper segregation of duties. D. need to create/modify the chart of accounts and its allocations.
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.
Which of the following would be the BEST population to take a sample from when testing program changes? A. Test library listings B. Source program listings C. Program change requests D. Production library listings
A probable advantage to an organization that has outsourced its data processing services is that: A. needed IS expertise can be obtained from the outside. B. greater control can be exercised over processing. C. processing priorities can be established and enforced internally. D. greater user involvement is required to communicate user needs.
An IS auditor's MAJOR concern as a result of reviewing a business process reengineering (BPR) project should be whether the: A. newly designed business process has key controls in place. B. changed process will affect organization structure, finances and personnel. C. roles for suppliers have been redefined. D. process has been documented before and after reengineering.
Analysis of which of the following would MOST likely enable the IS auditor to determine if a non-approved program attempted to access sensitive data? A. Abnormal job termination reports B. Operator problem reports C. System logs D. Operator work schedules
Which of the following procedures should be implemented to help ensure the completeness of inbound transactions via electronic data interchange (EDI)? A. Segment counts built into the transaction set trailer B. A log of the number of messages received, periodically verified with the transaction originator C. An electronic audit trail for accountability and tracking D. Matching acknowledgement transactions received to the log of EDI messages sent
An organization has an integrated development environment (IDE), where the program libraries reside on the server, but modification/development and testing are done from PC workstations. Which of the following would be a strength of an integrated development environment? A. Controls the proliferation of multiple versions of programs B. Expands the programming resources and aids available C. Increases program and processing integrity D. Prevents valid changes from being overwritten by other changes
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.
While reviewing an ongoing project, the IS auditor notes that the development team has spent eight hours of activity on the first day against a budget of 24 hours (over three days). The projected time to complete the remainder of the activity is 20 hours. The IS auditor should report that the project: A. is behind schedule. B. is ahead of schedule. C. is on schedule. D. cannot be evaluated until the activity is completed.
A decrease in amplitude as a signal propagates along a transmission medium is known as: A. noise. B. crosstalk. C. attenuation. D. delay distortion.
A dry-pipe fire extinguisher system is a system that uses: A. water, but in which water does not enter the pipes until a fire has been detected. B. water, but in which the pipes are coated with special watertight sealants. C. carbon dioxide instead of water. D. halon instead of water.