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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
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Answer: A
Control totals built into the trailer record of each segment
is the only option that will ensure all individual
transactions sent are completely received. The other options
provide supporting evidence, but their findings are either
incomplete or not timely.
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / antoine
B. A log of the number of messages received, periodically
verified with the transaction originator
| Is This Answer Correct ? | 2 Yes | 4 No |
Which of the following Internet security threats could compromise integrity? A. Theft of data from the client B. Exposure of network configuration information C. A trojan horse browser D. Eavesdropping on the net
Access rules normally are included in which of the following documentation categories? A. Technical reference documentation B. User manuals C. Functional design specifications D. System development methodology documents
Authentication is the process by which the: A. system verifies that the user is entitled to input the transaction requested. B. system verifies the identity of the user. C. user identifies himself to the system. D. user indicates to the system that the transaction was processed correctly.
Which of the following activities should the business continuity manager perform FIRST after the replacement of hardware at the primary information processing facility? A. Verify compatibility with the hot site. B. Review the implementation report. C. Perform a walk-through of the DRP. D. Update the IS assets inventory.
In which of the following phases of the system development life cycle (SDLC) is it the MOST important for the IS auditor to participate? A. Design B. Testing C. Programming D. Implementation
To check the performance of flow and error control, an IS auditor should focus the use of a protocol analyzer on which of the following layers? A. Network B. Transport C. Data link D. Application
Which of the following is the MOST effective control over visitor access to a data center? A. Visitors are escorted. B. Visitor badges are required. C. Visitors sign in. D. Visitors are spot-checked by operators.
An IS auditor needs to link his/her microcomputer to a mainframe system that uses binary synchronous data communications with block data transmission. However, the IS auditor's microcomputer, as presently configured, is capable of only asynchronous ASCII character data communications. Which of the following must be added to the IS auditor's computer to enable it to communicate with the mainframe system? A. Buffer capacity and parallel port B. Network controller and buffer capacity C. Parallel port and protocol conversion D. Protocol conversion and buffer capability
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.
During an audit of a telecommunications system the IS auditor finds that the risk of intercepting data transmitted to and from remote sites is very high. The MOST effective control for reducing this exposure is: A. encryption. B. callback modems. C. message authentication. D. dedicated leased lines.
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.
Which of the following normally would be the MOST reliable evidence for an auditor? A. A confirmation letter received from a third party verifying an account balance B. Assurance from line management that an application is working as designed C. Trend data obtained from World Wide Web (Internet) sources D. Ratio analysis developed by the IS auditor from reports supplied by line management
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