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
Answer / guest
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 |
To reduce the possibility of losing data during processing, the FIRST point at which control totals should be implemented is: A. during data preparation. B. in transit to the computer. C. between related computer runs. D. during the return of the data to the user department.
If inadequate, which of the following would be the MOST likely contributor to a denial-of-service attack? A. Router configuration and rules B. Design of the internal network C. Updates to the router system software D. Audit testing and review techniques
For which of the following applications would rapid recovery be MOST crucial? A. Point-of-sale system B. Corporate planning C. Regulatory reporting D. Departmental chargeback
Linux is an __________ operating system
The MOST effective method of preventing unauthorized use of data files is: A. automated file entry. B. tape librarian. C. access control software. D. locked library.
Which of the following functions, if combined, would be the GREATEST risk to an organization? A. Systems analyst and database administrator B. Quality assurance and computer operator C. Tape librarian and data entry clerk D. Application programmer and tape librarian
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.
Which of the following provisions in a contract for external information systems services would an IS auditor consider to be LEAST significant? A. Ownership of program and files B. Statement of due care and confidentiality C. Continued service of outsourcer in the event of a disaster D. Detailed description of computer hardware used by the vendor
An IS auditor is reviewing the change management process for an enterprise resource planning (ERP) application. Which of the following is the BEST method for testing program changes? A. Select a sample of change tickets and review them for authorization. B. Perform a walk-through by tracing a program change from start to finish. C. Trace a sample of modified programs to supporting change tickets. D. Use query software to analyze all change tickets for missing fields.
Which of the following BEST provides access control to payroll data being processed on a local server? A. Logging of access to personal information B. Separate password for sensitive transactions C. Software restricts access rules to authorized staff D. System access restricted to business hours
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.
To prevent an organization's computer systems from becoming part of a distributed denial-of-service attack, IP packets containing addresses that are listed as unroutable can be isolated by: A. establishing outbound traffic filtering. B. enabling broadcast blocking. C. limiting allowable services. D. network performance monitoring.