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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
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Answer: C
Tunnel mode provides protection to the entire IP package. To
accomplish this, AH and ESP services can be nested. The
transport mode provides primary protection for the higher
layers of the protocols by extending protection to the data
fields (payload) of an IP package. The SSL (secure socket
layer) mode, provides security to the higher communication
layers (transport layer). The triple-DES encryption mode is
an algorithm that provides confidentiality.
| Is This Answer Correct ? | 7 Yes | 0 No |
Which of the following is the PRIMARY safeguard for securing software and data within an information processing facility? A. Security awareness B. Reading the security policy C. Security committee D. Logical access controls
Which of the following is a detective control? A. Physical access controls B. Segregation of duties C. Backup procedures D. Audit trails
Various standards have emerged to assist IS organizations in achieving an operational environment that is predictable, measurable and repeatable. The standard that provides the definition of the characteristics and the associated quality evaluation process to be used when specifying the requirements for and evaluating the quality of software products throughout their life cycle is: A. ISO 9001. B. ISO 9002. C. ISO 9126. D. ISO 9003.
Birth date and marriage date items were switched while entering data. Which of the following data validation checks could detect this? A. Logical relationship B. Sequence C. Reasonableness D. Validity
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
A control log basic to a real-time application system is a(n): A. audit log. B. console log. C. terminal log. D. transaction log.
Which of the following processes describes risk assessment? Risk assessment is: A. subjective. B. objective. C. mathematical. D. statistical.
Which of the following would be the LEAST likely indication that complete or selected outsourcing of IS functions should be considered? A. The applications development backlog is greater than three years. B. It takes one year to develop and implement a high-priority system. C. More than 60 percent of programming costs are spent on system maintenance. D. Duplicate information systems functions exist at two sites.
The impact of EDI on internal controls will be: A. that fewer opportunities for review and authorization will exist. B. an inherent authentication. C. a proper distribution of EDI transactions while in the possession of third parties. D. that IPF management will have increased responsibilities over data center controls.
Which of the following BEST describes an IT department?s strategic planning process? A. The IT department will have either short-range or long-range plans depending on the organization?s broader plans and objectives. B. The IT department?s strategic plan must be time and project oriented, but not so detailed as to address and help determine priorities to meet business needs. C. Long-range planning for the IT department should recognize organizational goals, technological advances and regulatory requirements. D. Short-range planning for the IT department does not need to be integrated into the short-range plans of the organization since technological advances will drive the IT department plans much quicker than organizational plans.
The BEST defense against network eavesdropping is: A. encryption. B. moving the defense perimeter outward. C. reducing the amplitude of the communication signal. D. masking the signal with noise.
An IS auditor performing an application maintenance audit would review the log of program changes for the: A. authorization for program changes. B. creation date of a current object module. C. number of program changes actually made. D. creation date of a current source program.
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