A TCP/IP-based environment is exposed to the Internet. Which
of the following BEST ensures that complete encryption and
authentication protocols exist for protecting information
while transmitted?
A. Work is completed in tunnel mode with IP security using
the nested services of authentication header (AH) and
encapsulating security payload (ESP).
B. A digital signature with RSA has been implemented.
C. Digital certificates with RSA are being used.
D. Work is being completed in.TCP services.
Answer / guest
Answer: A
Tunnel mode with IP security provides encryption and
authentication of the complete IP package. To accomplish
this, the AH (authentication header) and ESP (encapsulating
security payload) services can be nested? Choices B and C
provide authentication and integrity. TCP services do not
provide encryption and authentication.
| Is This Answer Correct ? | 7 Yes | 0 No |
Which of the following should be in place to protect the purchaser of an application package in the event that the vendor ceases to trade? A. Source code held in escrow. B. Object code held by a trusted third party. C. Contractual obligation for software maintenance. D. Adequate training for internal programming staff.
Which of the following would help to ensure the portability of an application connected to a database? The: A. verification of database import and export procedures. B. usage of a structured query language (SQL). C. analysis of stored procedures/triggers. D. synchronization of the entity-relation model with the database physical schema.
IS management has recently informed the IS auditor of its decision to disable certain referential integrity controls in the payroll system to provide users with a faster report generator. This will MOST likely increase the risk of: A. data entry by unauthorized users. B. a nonexistent employee being paid. C. an employee receiving an unauthorized raise. D. duplicate data entry by authorized users.
The BEST method of proving the accuracy of a system tax calculation is by: A. detailed visual review and analysis of the source code of the calculation programs. B. recreating program logic using generalized audit software to calculate monthly totals. C. preparing simulated transactions for processing and comparing the results to predetermined results. D. automatic flowcharting and analysis of the source code of the calculation programs.
In a small organization, an employee performs computer operations and, when the situation demands, program modifications. Which of the following should the IS auditor recommend? A. Automated logging of changes to development libraries B. Additional staff to provide separation of duties C. Procedures that verify that only approved program changes are implemented D. Access controls to prevent the operator from making program modifications
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
In a web server, a common gateway interface (CGI) is MOST often used as a(n): A. consistent way for transferring data to the application program and back to the user. B. computer graphics imaging method for movies and TV. C. graphic user interface for web design. D. interface to access the private gateway domain.
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.
Following a reorganization of a company's legacy database, it was discovered that records were accidentally deleted. Which of the following controls would have MOST effectively detected this occurrence? A. Range check B. Table lookups C. Run-to-run totals D. One-for-one checking
A retail company recently installed data warehousing client software at geographically diverse sites. Due to time zone differences between the sites, updates to the warehouse are not synchronized. Which of the following will be affected the MOST? A. Data availability B. Data completeness C. Data redundancy D. Data inaccuracy
An IS auditor performing a review of the EFT operations of a retailing company would verify that the customers credit limit is checked before funds are transferred by reviewing the EFT: A. system's interface. B. switch facility. C. personal identification number generating procedure. D. operation backup procedures.
Without compensating controls, which of the following functions would represent a risk if combined with that of a system analyst? A. Application programming B. Data entry C. Quality assurance D. Database administrator