The act that describes a computer intruder capturing a
stream of data packets and inserting these packets into the
network as if it were another genuine message stream is called:
A. eavesdropping.
B. message modification.
C. a brute-force attack.
D. packet replay.
Answer / guest
Answer: D
Packet replay is a combination of passive and active modes
of attack. This form of attack is particularly effective
when the receiving end of the communication channel is
automated and acts on the receipt and interpretation of
information packets without human intervention.
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purchase orders issued to vendors have been authorized as per the authorization matrix
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.
Which of the following choices BEST ensures the effectiveness of controls related to interest calculation inside an accounting system? A. Re-performance B. Process walk-through C. Observation D. Documentation review
Which of the following is a substantive audit test? A. Verifying that a management check has been performed regularly B. Observing that user IDs and passwords are required to sign on the computer C. Reviewing reports listing short shipments of goods received D. Reviewing an aged trial balance of accounts receivable
When reviewing a service level agreement for an outsourced computer center an IS auditor should FIRST determine that: A. the cost proposed for the services is reasonable. B. security mechanisms are specified in the agreement. C. the services in the agreement are based on an analysis of business needs. D. audit access to the computer center is allowed under the agreement.
Which of the following represents the MOST pervasive control over application development? A. IS auditors B. Standard development methodologies C. Extensive acceptance testing D. Quality assurance groups
IS auditors who have participated in the development of an application system might have their independence impaired if they: A. perform an application development review. B. recommend control and other system enhancements. C. perform an independent evaluation of the application after its implementation. D. are involved actively in the design and implementation of the application system.
Which of the following would contribute MOST to an effective business continuity plan (BCP)? The BCP: A. document was circulated to all interested parties. B. planning involved all user departments. C. was approved by senior management. D. was audited by an external IS auditor.
Which of the following describes a difference between unit testing and system testing? A. Unit testing is more comprehensive. B. Programmers are not involved in system testing. C. System testing relates to interfaces between programs. D. System testing proves user requirements are complete.
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.
During the course of an audit, the IS auditor discovers that the human resources (HR) department uses a cloud-based application to manage employee records. The HR department engaged in a contract outside of the normal vendor management process and manages the application on its own. Which of the following choices is of MOST concern? A. Maximum acceptable downtime metrics have not been defined in the contract. B. The IT department does not manage the relationship with the cloud vendor. C. The help desk call center is in a different country, with different privacy requirements. D. Company-defined security policies are not applied to the cloud application.
In the course of performing a risk analysis, an IS auditor has identified threats and potential impacts. Next, an IS auditor should: A. identify and assess the risk assessment process used by management. B. identify information assets and the underlying systems. C. disclose the threats and impacts to management. D. identify and evaluate the existing controls.