Interested to Buy Any Domain ? << Click Here >> for more details...
To check the performance of flow and error control, an IS
auditor should focus the use of a protocol analyzer on which
of the following layers?
A. Network
B. Transport
C. Data link
D. Application
- 2 Answers
- 5748 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
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
| Is This Answer Correct ? | 0 Yes | 0 No |
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.
| Is This Answer Correct ? | 0 Yes | 1 No |
Disaster recovery planning for a company's computer system usually focuses on: A. operations turnover procedures. B. strategic long-range planning. C. the probability that a disaster will occur. D. alternative procedures to process transactions.
Which of the following tests confirm that the new system can operate in its target environment? A. Sociability testing B. Regression testing C. Validation testing D. Black box testing
Which of the following normally would be the MOST reliable evidence for an auditor? A. A confirmation letter received from a third party verifying an account balance B. Assurance from line management that an application is working as designed C. Trend data obtained from World Wide Web (Internet) sources D. Ratio analysis developed by the IS auditor from reports supplied by line management
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 will help detect changes made by an intruder to the system log of a server? A. Mirroring of the system log on another server B. Simultaneously duplicating the system log on a write-once disk C. Write protecting the directory containing the system log D. Storing the backup of the system log offsite
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
Detection risk refers to: A. concluding that material errors do not exist, when in fact they do. B. controls that fail to detect an error. C. controls that detect high-risk errors. D. detecting an error but failing to report it.
To identify the value of inventory that has been kept for more than eight weeks, an IS auditor would MOST likely use: A. test data. B. statistical sampling. C. an integrated test facility. D. generalized audit software.
Which of the following is MOST likely to occur when a system development project is in the middle of the programming/coding phase? A. Unit tests B. Stress tests C. Regression tests D. Acceptance tests
Which of the following would be a compensating control to mitigate risks resulting from an inadequate segregation of duties? A. Sequence check B. Check digit C. Source documentation retention D. Batch control reconciliations
Which of the following would be included in an IS strategic plan?
Which of the following types of firewalls provide the GREATEST degree and granularity of control? A. Screening router B. Packet filter C. Application gateway D. Circuit gateway
Cisco Certifications 
