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An enterprisewide network security architecture of public
key infrastructure (PKI) would be comprised of:
A. A public key cryptosystem, private key cryptosystem and
digital certificate
B. A public key cryptosystem, symmetric encryption and
certificate authorities
C. A symmetric encryption, digital certificate and kerberos
authentication
D. A public key cryptosystem, digital certificate and
certificate authorities
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Answer: D
These three elements make up a complete system. The other
choices are combinations that do not make a complete system.
| Is This Answer Correct ? | 2 Yes | 0 No |
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 IS auditor's report should recommend that: A. the deputy CEO be censured for his failure to approve the plan. B. a board of senior managers be set up to review the existing plan. C. the existing plan be approved and circulated to all key management and staff. D. a manager coordinate the creation of a new or revised plan within a defined time limit.
Which of the following would MOST likely ensure that a system development project meets business objectives? A. Maintenance of program change logs B. Development of a project plan identifying all development activities C. Release of application changes at specific times of the year D. User involvement in system specification and acceptance
Which of the following is a detective control? A. Physical access controls B. Segregation of duties C. Backup procedures D. Audit trails
After installing a network, an organization installed a vulnerability assessment tool or security scanner to identify possible weaknesses. Which is the MOST serious risk associated with such tools? A. Differential reporting B. False positive reporting C. False negative reporting D. Less detail reporting
When a systems development life cycle (SDLC) methodology is inadequate, the MOST serious immediate risk is that the new system will: A. be completed late. B. exceed the cost estimates. C. not meet business and user needs. D. be incompatible with existing systems.
Which of the following is a control over database administration activities? A. A database checkpoint to restart processing after a system failure B. Database compression to reduce unused space C. Supervisory review of access logs D. Backup and recovery procedures to ensure database availability
A manufacturing firm wants to automate its invoice payment system. Objectives state that the system should require considerably less time for review and authorization and the system should be capable of identifying errors that require follow up. Which of the following would BEST meet these objectives? A. Establishing an inter-networked system of client servers with suppliers for increased efficiencies B. Outsourcing the function to a firm specializing in automated payments and accounts receivable/invoice processing C. Establishing an EDI system of electronic business documents and transactions with key suppliers, computer to computer, in a standard format D. Reengineering the existing processing and redesigning the existing system
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)
The primary role of an IS auditor during the system design phase of an application development project is to: A. advise on specific and detailed control procedures. B. ensure the design accurately reflects the requirement. C. ensure all necessary controls are included in the initial design. D. advise the development manager on adherence to the schedule.
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.
A control for a company that wants to prevent virus-infected programs (or other type of unauthorized modified programs) would be to: A. utilize integrity checkers. B. verify program's lengths. C. backup the source and object code. D. implement segregation of duties.
Which of the following translates e-mail formats from one network to another so that the message can travel through all the networks? A. Gateway B. Protocol converter C. Front-end communication processor D. Concentrator/multiplexor
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