Which of the following systems or tools can recognize that a
credit card transaction is more likely to have resulted from
a stolen credit card than from the holder of the credit card?
A. Intrusion detection systems
B. Data mining techniques
C. Firewalls
D. Packet filtering routers
Answer / guest
Answer: B
Data mining is a technique to detect trends or patterns of
transactions or data. If the historical pattern of charges
against a credit card account is changed than it is a flag
that the transaction may have resulted from a fraudulent use
of the card.
| Is This Answer Correct ? | 4 Yes | 0 No |
Functionality is a characteristic associated with evaluating the quality of software products throughout their lifecycle, and is BEST described as the set of attributes that bear on the: A. existence of a set of functions and their specified properties. B. ability of the software to be transferred from one environment to another. C. capability of software to maintain its level of performance under stated conditions. D. relationship between the performance of the software and the amount of resources used.
A call-back system requires that a user with an id and password call a remote server through a dial-up line, then the server disconnects and: A. dials back to the user machine based on the user id and password using a telephone number from its database. B. dials back to the user machine based on the user id and password using a telephone number provided by the user during this connection. C. waits for a redial back from the user machine for reconfirmation and then verifies the user id and password using its database. D. waits for a redial back from the user machine for reconfirmation and then verifies the user id and password using the sender's database.
What is a risk associated with attempting to control physical access to sensitive areas, such as computer rooms, through card keys, locks, etc.? A. Unauthorized individuals wait for controlled doors to open and walk in behind those authorized. B. The contingency plan for the organization cannot effectively test controlled access practices. C. Access cards, keys, and pads can be easily duplicated allowing easy compromise of the control. D. Removing access for people no longer authorized is complex.
An Internet-based attack using password sniffing can: A. enable one party to act as if they are another party. B. cause modification to the contents of certain transactions. C. be used to gain access to systems containing proprietary information. D. result in major problems with billing systems and transaction processing agreements.
An IS auditor attempting to determine whether access to program documentation is restricted to authorized persons would MOST likely: A. evaluate the record retention plans for off-premises storage. B. interview programmers about the procedures currently being followed. C. compare utilization records to operations schedules. D. review data file access records to test the librarian function.
Prices are charged on the basis of a standard master file rate that changes as volume increases. Any exceptions must be manually approved. What is the MOST effective automated control to help ensure that all price exceptions are approved? A. All amounts are displayed back to the data entry clerk, who must verify them visually. B. Prices outside the normal range should be entered twice to verify data entry accuracy. C. The system beeps when price exceptions are entered and prints such occurrences on a report. D. A second-level password must be entered before a price exception can be processed.
During a review of a business continuity plan, an IS auditor noticed that the point at which a situation is declared to be a crisis has not been defined. The MAJOR risk associated with this is that: A. assessment of the situation may be delayed. B. execution of the disaster recovery plan could be impacted. C. notification of the teams might not occur. D. potential crisis recognition might be delayed.
An IS auditor doing penetration testing during an audit of Internet connections would: A. evaluate configurations. B. examine security settings. C. ensure virus-scanning software is in use. D. use tools and techniques that are available to a hacker.
Many organizations require an employee to take a mandatory vacation (holiday) of a week or more to: A. ensure the employee maintains a quality of life, which will lead to greater productivity. B. reduce the opportunity for an employee to commit an improper or illegal act. C. provide proper cross training for another employee. D. eliminate the potential disruption caused when an employee takes vacation one day at a time.
In a system that records all receivables for a company, the receivables are posted on a daily basis. Which of the following would ensure that receivables balances are unaltered between postings? A. Range checks B. Record counts C. Sequence checking D. Run-to-run control totals
Accountability for the maintenance of appropriate security measures over information assets resides with the: A. security administrator. B. systems administrator. C. data and systems owners. D. systems operations group.
Which of the following development methods uses a prototype that can be updated continually to meet changing user or business requirements? A. Data-oriented development (DOD) B. Object-oriented development (OOD) C. Business process reengineering (BPR) D. Rapid application development (RAD)