Confidential data residing on a PC is BEST protected by:
A. a password.
B. file encryption.
C. removable diskettes.
D. a key operated power source.
Answer / guest
Answer: B
File encryption is the best means of protecting confidential
data in a PC. A key-operated power source, password or
removable diskettes will only restrict access, and the data
will still be viewable using electronic eavesdropping
techniques. Only encryption provides confidentiality. A
password also may not be the best method of protection since
passwords can be compromised. Removable diskettes do provide
some security for information if they are locked away so
only authorized individuals can gain access. However, if
obtained by unauthorized individuals, information can be
accessed easily. A key-operated power source can be bypassed
by obtaining power from another source.
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Which of the following functions would be acceptable for the security administrator to perform in addition to his/her normal functions? A. Systems analyst B. Quality assurance C. Computer operator D. Systems programmer
An IS auditor auditing hardware monitoring procedures should review A. system availability reports. B. cost-benefit reports. C. response time reports. D. database utilization reports.
Before reporting results of an audit to senior management, an IS auditor should: A. Confirm the findings with auditees. B. Prepare an executive summary and send it to auditee management. C. Define recommendations and present the findings to the audit committee. D. Obtain agreement from the auditee on findings and actions to be taken.
Which of the following would enable an enterprise to provide access to its intranet (i.e., extranet) across the Internet to its business partners? A. Virtual private network B. Client-server C. Dial-in access D. Network service provider
An IS auditor performing an audit of the company's IS strategy would be LEAST likely to: A. assess IS security procedures. B. review both short- and long-term IS strategies. C. interview appropriate corporate management personnel. D. ensure that the external environment has been considered.
An IS auditor conducting a review of software usage and licensing discovers that numerous PCs contain unauthorized software. Which of the following actions should the IS auditor take? A. Personally delete all copies of the unauthorized software. B. Inform auditee of the unauthorized software, and follow up to confirm deletion. C. Report the use of the unauthorized software to auditee management and the need to prevent recurrence. D. Take no action, as it is a commonly accepted practice and operations management is responsible for monitoring such use.
IS auditors reviewing access control should review data classification to ensure that encryption parameters are classified as: A. sensitive. B. confidential. C. critical. D. private.
Which of the following statements relating to packet switching networks is CORRECT? A. Packets for a given message travel the same route. B. Passwords cannot be embedded within the packet. C. Packet lengths are variable and each packet contains the same amount of information. D. The cost charged for transmission is based on packet, not distance or route traveled.
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An IS auditor is reviewing the risk management process. Which of the following is the MOST important consideration during this review? A. Controls are implemented based on cost-benefit analysis. B. The risk management framework is based on global standards. C. The approval process for risk response is in place. D. IT risk is presented in business terms.
Which of the following testing methods is MOST effective during the initial phases of prototyping? A. System B. Parallel C. Volume D. Top-down
Which of the following is the MOST reasonable option for recovering a noncritical system? A. Warm site B. Mobile site C. Hot site D. Cold site
Which of the following encrypt/decrypt steps provides the GREATEST assurance in achieving confidentiality, message integrity and nonrepudiation by either sender or recipient? A. The recipient uses his/her private key to decrypt the secret key. B. The encrypted pre-hash code and the message are encrypted using a secret key. C. The encrypted pre-hash code is derived mathematically from the message to be sent. D. The recipient uses the sender's public key, verified with a certificate authority, to decrypt the pre-hash code.