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Which of the following functions is performed by a virtual
private network (VPN)?
A. Hiding information from sniffers on the net
B. Enforcing security policies
C. Detecting misuse or mistakes
D. Regulating access
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Answer: A
A VPN hides information from sniffers on the net. Using
encryption, a VPN hides information. It works based on
tunneling. A VPN does not analyze information packets and
therefore cannot enforce security policies, nor does it
check the content of packets and so cannot detect misuse or
mistakes, and it does not perform an authentication
function, and hence cannot regulate access.
| Is This Answer Correct ? | 8 Yes | 0 No |
An integrated test facility is considered a useful audit tool because it: A. is a cost-efficient approach to auditing application controls. B. enables the financial and IS auditors to integrate their audit tests. C. compares processing output with independently calculated data. D. provides the IS auditor with a tool to analyze a large range of information.
The application test plans are developed in which of the following systems development life cycle (SDLC) phases? A. Design B. Testing C. Requirement D. Development
To develop a successful business continuity plan, end user involvement is critical during which of the following phases? A. Business recovery strategy B. Detailed plan development C. Business impact analysis D. Testing and maintenance
Data flow diagrams are used by IS auditors to: A. order data hierarchically. B. highlight high-level data definitions. C. graphically summarize data paths and storage. D. portray step-by-step details of data generation.
Information for detecting unauthorized input from a terminal would be BEST provided by the: A. console log printout. B. transaction journal. C. automated suspense file listing. D. user error report.
Which of the following concerns associated with the World Wide Web would be addressed by a firewall? A. Unauthorized access from outside the organization B. Unauthorized access from within the organization C. A delay in Internet connectivity D. A delay in downloading using file transfer protocol (FTP)
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 single digitally signed instruction was given to a financial institution to credit a customer's account. The financial institution received the instruction three times and credited the account three times. Which of the following would be the MOST appropriate control against such multiple credits? A. Encrypting the hash of the payment instruction with the public key of the financial institution. B. Affixing a time stamp to the instruction and using it to check for duplicate payments. C. Encrypting the hash of the payment instruction with the private key of the instructor. D. Affixing a time stamp to the hash of the instruction before being digitally signed by the instructor.
The process of using interpersonal communication skills to get unauthorized access to company assets is called: A. wire tapping. B. trap doors. C. war dialing. D. social engineering.
Which of the following audit techniques would an IS auditor place the MOST reliance on when determining whether an employee practices good preventive and detective security measures? A. Observation B. Detail testing C. Compliance testing D. Risk assessment
The implementation of cost-effective controls in an automated system is ultimately the responsibility of the: A. system administrator. B. quality assurance function. C. business unit management. D. chief of internal audit.
The MOST effective method for limiting the damage of an attack by a software virus is: A. software controls. B. policies, standards and procedures. C. logical access controls. D. data communication standards.
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