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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Which of the following environmental controls is appropriate to protect computer equipment against short-term reductions in electrical power? A. Power line conditioners B. A surge protective device C. An alternative power supply D. An interruptible power supply
Which of the following is a concern when data is transmitted through secure socket layer (SSL) encryption implemented on a trading partner's server? A. Organization does not have control over encryption. B. Messages are subjected to wire tapping. C. Data might not reach the intended recipient. D. The communication may not be secure.
Which of the following is the MOST important function to be performed by IT management within an outsourced environment? A. Ensuring that invoices are paid to the provider B. Participating in systems design with the provider C. Renegotiating the provider's fees D. Monitoring the outsourcing provider's performance
Creation of an electronic signature: A. encrypts the message. B. verifies where the message came from. C. cannot be compromised when using a private key. D. cannot be used with e-mail systems.
An audit charter should: A. be dynamic and change often to coincide with the changing nature of technology and the audit profession. B. clearly state audit objectives for the delegation of authority for the maintenance and review of internal controls. C. document the audit procedures designed to achieve the planned audit objectives. D. outline the overall authority, scope and responsibilities of the audit function.
The potential for unauthorized system access by way of terminals or workstations within an organization's facility is increased when: A. connecting points are available in the facility to connect laptops to the network. B. users take precautions to keep their passwords confidential. C. terminals with password protection are located in unsecured locations. D. terminals are located within the facility in small clusters under the supervision of an administrator.
After a full operational contingency test, the IS auditor performs a review of the recovery steps and concludes that the elapsed time until the technological environment and systems were actually functioning, exceeded the required critical recovery time. Which of the following should the auditor recommend? A. Perform an integral review of the recovery tasks. B. Broaden the processing capacity to gain recovery time. C. Make improvements in the facility's circulation structure. D. Increase the amount of human resources involved in the recovery.
The planning and monitoring of computer resources to ensure that they are being used efficiently and effectively is: A. hardware monitoring. B. capacity management. C. network management. D. job scheduling.
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.
With reference to the risk management process, which of the following statements is correct? A. Vulnerabilities can be exploited by a threat. B. Vulnerabilities are events with the potential to cause harm to IS resources. C. Vulnerability exists because of threats associated with use of information resources. D. Lack of user knowledge is an example of a threat.
An IS auditor conducting an access controls review in a client-server environment discovers that all printing options are accessible by all users. In this situation, the IS auditor is MOST likely to conclude that: A. exposure is greater since information is available to unauthorized users. B. operating efficiency is enhanced since anyone can print any report, any time. C. operating procedures are more effective since information is easily available. D. user friendliness and flexibility is facilitated since there is a smooth flow of information among users.
Structured programming is BEST described as a technique that: A. provides knowledge of program functions to other programmers via peer reviews. B. reduces the maintenance time of programs by the use of small-scale program modules. C. makes the readable coding reflect as closely as possible the dynamic execution of the program. D. controls the coding and testing of the high-level functions of the program in the development process.