Which of the following types of transmission media provide
the BEST security against unauthorized access?
A. Copper wire
B. Twisted pair
C. Fiber-optic cables
D. Coaxial cables
Answer / guest
Answer: C
Fiber-optic cables have proven to be more secure than the
other media. Satellite transmission and copper wire can be
violated with inexpensive equipment. Coaxial cable also can
be violated more easily than other transmission media.
| Is This Answer Correct ? | 29 Yes | 4 No |
One of the purposes of library control software is to allow: A. programmers access to production source and object libraries. B. batch program updating. C. operators to update the control library with the production version before testing is completed. D. read-only access to source code.
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
During a review of a large data center an IS auditor observed computer operators acting as backup tape librarians and security administrators. Which of these situations would be MOST critical to report? A. Computer operators acting as tape librarians B. Computer operators acting as security administrators C. Computer operators acting as a tape librarian and security administrator D. It is not necessary to report any of these situations.
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
Automated teller machines (ATMs) are a specialized form of a point-of-sale terminal that: A. allows for cash withdrawal and financial deposits only. B. are usually located in populous areas to deter theft or vandalism. C. utilizes protected telecommunication lines for data transmissions. D. must include high levels of logical and physical security.
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.
Which of the following procedures can a biometric system perform? A. Measure airborne contamination. B. Provide security over physical access. C. Monitor temperature and humidity levels. D. Detect hazardous electromagnetic fields in an area.
The risk of an IS auditor using an inadequate test procedure and concluding that material errors do not exist when, in fact, they exist is:
Antivirus software should be used as a: A. detective control. B. preventive control. C. corrective control. D. compensating control.
In a risk-based audit approach, an IS auditor, in addition to risk, would be influenced by: A. the availability of CAATs. B. management's representation. C. organizational structure and job responsibilities. D. the existence of internal and operational controls
Good quality software is BEST achieved: A. through thorough testing. B. by finding and quickly correcting programming errors. C. determining the amount of testing by the available time and budget. D. by applying well-defined processes and structured reviews throughout the project.
An IS auditor evaluating data integrity in a transaction driven system environment should review atomicity, to determine whether: A. the database survives failures (hardware or software). B. each transaction is separated from other transactions. C. integrity conditions are maintained. D. a transaction is completed or not, or a database is updated or not.