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Which of the following would an IS auditor consider a
weakness when performing an audit of an organization that
uses a public key infrastructure with digital certificates
for its business-to-consumer transactions via the Internet?
A. Customers are widely dispersed geographically, but not
the certificate authorities.
B. Customers can make their transactions from any computer
or mobile device.
C. The certificate authority has several data processing
subcenters to administrate certificates.
D. The organization is the owner of the certificate authority.
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Answer: D
If the certificate authority belongs to the same
organization, this would generate a conflict of interest. If
a customer wanted to repudiate a transaction, he/she could
allege that there exists an unlawful agreement between the
parties generating the certificates, because of the shared
interests. If a customer wanted to repudiate a transaction,
he/she could believe that there exists a bribery between the
parties to generate the certificates, as there exist shared
interests. The other options are not weaknesses.
| Is This Answer Correct ? | 5 Yes | 0 No |
An organization having a number of offices across a wide geographical area has developed a disaster recovery plan (DRP). Using actual resources, which of the following is the MOST cost-effective test of the DRP? A. Full operational test B. Preparedness test C. Paper test D. Regression test
When implementing continuous monitoring systems an IS auditor's first step is to identify: A. reasonable target thresholds. B. high-risk areas within the organization. C. the location and format of output files. D. applications that provide the highest potential payback.
A large chain of shops with EFT at point-of-sale devices has a central communications processor for connecting to the banking network. Which of the following is the BEST disaster recovery plan for the communications processor? A. Offsite storage of daily backups B. Alternative standby processor onsite C. Installation of duplex communication links D. Alternative standby processor at another network node
Which of the following is a continuity plan test that uses actual resources to simulate a system crash to cost-effectively obtain evidence about the plan's effectiveness? A. Paper test B. Post test C. Preparedness test D. Walk-through
Which of the following audit tools is MOST useful to an IS auditor when an audit trail is required? A. Integrated test facility (ITF) B. Continuous and intermittent simulation (CIS) C. Audit hooks D. Snapshots
Which of the following procedures should be implemented to help ensure the completeness of inbound transactions via electronic data interchange (EDI)? A. Segment counts built into the transaction set trailer B. A log of the number of messages received, periodically verified with the transaction originator C. An electronic audit trail for accountability and tracking D. Matching acknowledgement transactions received to the log of EDI messages sent
Which of the following functions should be performed by the application owners to ensure an adequate segregation of duties between IS and end users? A. System analysis B. Authorization of access to data C. Application programming D. Data administration
Which of the following is the BEST audit procedure to determine if a firewall is configured in compliance with an organization's security policy? A. Review the parameter settings B. Interview the firewall administrator C. Review the actual procedures D. Review the device's log file for recent attacks
Data edits are an example of: A. preventive controls. B. detective controls. C. corrective controls. D. compensating controls.
Which of the following BEST describes the necessary documentation for an enterprise product reengineering (EPR) software installation? A. Specific developments only B. Business requirements only C. All phases of the installation must be documented D. No need to develop a customer specific documentation
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.
In a risk-based audit approach, an IS auditor should FIRST complete :
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