What type of transmission requires modems?
A. Encrypted
B. Digital
C. Analog
D. Modulated
Answer / guest
Answer: C
Since most communication switches are analog, modems are
required to convert data from digital to analog.
| Is This Answer Correct ? | 2 Yes | 1 No |
Which of the following implementation modes would provide the GREATEST amount of security for outbound data connecting to the Internet? A. Transport mode with authentication header plus encapsulating security payload (ESP) B. Secure socket layer (SSL) mode C. Tunnel mode with AH plus ESP D. Triple-DES encryption mode
Congestion control is BEST handled by which OSI layer? A. Data link B. Session layer C. Transport layer D. Network layer
A consulting firm has created a File Transfer Protocol (FTP) site for the purpose of receiving financial data and has communicated the site's address, user ID and password to the financial services company in separate email messages. The company is to transmit its data to the FTP site after manually encrypting the data. The IS auditor's GREATEST concern with this process is that: A. the users may not remember to manually encrypt the data before transmission. B. the site credentials were sent to the financial services company via email. C. personnel at the consulting firm may obtain access to sensitive data. D. the use of a shared user ID to the FTP site does not allow for user accountability.
While designing the business continuity plan (BCP) for an airline reservation system, the MOST appropriate method of data transfer/back up at an offsite location would be: A. shadow file processing. B. electronic vaulting. C. hard-disk mirroring. D. hot-site provisioning.
The IS auditor learns that when equipment was brought into the data center by a vendor, the emergency power shutoff switch was accidentally pressed and the UPS was engaged. Which of the following audit recommendations should the IS auditor suggest? A. Relocate the shut off switch. B. Install protective covers. C. Escort visitors. D. Log environmental failures.
Without causing a conflict of interest, a duty compatible with those of a security administrator would be: A. quality assurance. B. application programming. C. systems programming. D. data entry.
An IS auditor's primary concern when application developers wish to use a copy of yesterday's production transaction file for volume tests is that: A. users may prefer to use contrived data for testing. B. unauthorized access to sensitive data may result. C. error handling and credibility checks may not be fully proven. D. full functionality of the new process is not necessarily tested.
An IS auditor conducting a review of disaster recovery planning at a financial processing organization has discovered the following: * The existing disaster recovery plan was compiled two years ago by a systems analyst in the organization's IT department using transaction flow projections from the operations department. * The plan was presented to the deputy CEO for approval and formal issue, but it is still awaiting his attention. * The plan has never been updated, tested or circulated to key management and staff, though interviews show that each would know what action to take for their area in the event of a disruptive incident. The basis of an organization's disaster recovery plan is to reestablish live processing at an alternative site where a similar, but not identical hardware configuration is already established. The IS auditor should: A. take no action as the lack of a current plan is the only significant finding. B. recommend that the hardware configuration at each site should be identical. C. perform a review to verify that the second configuration can support live processing. D. report that the financial expenditure on the alternative site is wasted without an effective plan.
Confidential data residing on a PC is BEST protected by: A. a password. B. file encryption. C. removable diskettes. D. a key operated power source.
An organization is considering connecting a critical PC-based system to the Internet. Which of the following would provide the BEST protection against hacking? A. An application-level gateway B. A remote access server C. A proxy server D. Port scanning
Which of the following is MOST likely to occur when a system development project is in the middle of the programming/coding phase? A. Unit tests B. Stress tests C. Regression tests D. Acceptance tests
Applying a retention date on a file will ensure that: A. data cannot be read until the date is set. B. data will not be deleted before that date. C. backup copies are not retained after that date. D. datasets having the same name are differentiated.