Answer / uma

Data Link Layer. Flow control coordinates the amount of data that can be sent before receiving acknowledgement.Error control in the same layer is based on Automatic Request repeat which implies re transmission of data

Answer / guest

Answer: B

Although a protocol analyzer would work at all of the OSI
model layers the only layer that handles flow and error
control is the transport layer.

The objective of IT governance is to ensure that the IT strategy is aligned with the objectives of (the): A. enterprise. B. IT. C. audit. D. finance.

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In the ISO/OSI model, which of the following protocols is the FIRST to establish security for the user application? A. Session layer. B. Transport layer C. Network layer D. Presentation layer

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1. which of the following is used to achieve accountability. a.identification b. authentication c. authorization d. iniation

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Which of the following would an IS auditor consider to be the MOST important when evaluating an organization's IS strategy? That it: A. has been approved by line management. B. does not vary from the IS department's preliminary budget. C. complies with procurement procedures. D. supports the business objectives of the organization.

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During the course of an audit, the IS auditor discovers that the human resources (HR) department uses a cloud-based application to manage employee records. The HR department engaged in a contract outside of the normal vendor management process and manages the application on its own. Which of the following choices is of MOST concern? A. Maximum acceptable downtime metrics have not been defined in the contract. B. The IT department does not manage the relationship with the cloud vendor. C. The help desk call center is in a different country, with different privacy requirements. D. Company-defined security policies are not applied to the cloud application.

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A LAN administrator normally would be restricted from: A. having end-user responsibilities. B. reporting to the end-user manager. C. having programming responsibilities. D. being responsible for LAN security administration.

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An IS auditor performing an independent classification of systems should consider a situation where functions could be performed manually at a tolerable cost for an extended period of time as: A. critical. B. vital. C. sensitive. D. noncritical.

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An IS auditor observed that some data entry operators leave their computers in the midst of data entry without logging off. Which of the following controls should be suggested to prevent unauthorized access? A. Encryption B. Switch off the computer when leaving C. Password control D. Screen saver password

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Applying a retention date on a file will ensure that: A. data cannot be read until the date is set. B. data will not be deleted before that date. C. backup copies are not retained after that date. D. datasets having the same name are differentiated.

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An IS auditor is conducting substantive audit tests of a new accounts receivable module. The IS auditor has a tight schedule and limited computer expertise. Which would be the BEST audit technique to use in this situation? A. Test data B. Parallel simulation C. Integrated test facility D. Embedded audit module

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A control that detects transmission errors by appending calculated bits onto the end of each segment of data is known as a: A. reasonableness check. B. parity check. C. redundancy check. D. check digits.

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Which of the following systems-based approaches would a financial processing company employ to monitor spending patterns to identify abnormal patterns and report them? A. A neural network B. Database management software C. Management information systems D. Computer assisted audit techniques

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