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
- 4910 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 |
Which of the following is an IS control objective? A. Output reports are locked in a safe place. B. Duplicate transactions do not occur. C. System backup/recovery procedures are updated periodically. D. System design and development meet users' requirements.
An IS auditor reviews an organization chart PRIMARILY for: A. an understanding of workflows. B. investigating various communication channels. C. understanding the responsibilities and authority of individuals. D. investigating the network connected to different employees.
In a public key infrastructure (PKI), the authority responsible for the identification and authentication of an applicant for a digital certificate (i.e., certificate subjects) is the: A. registration authority (RA). B. issuing certification authority (CA). C. subject CA. D. policy management authority.
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.
During a post-implementation review of an enterprise resource management system, an IS auditor would MOST likely: A. review access control configuration. B. evaluate interface testing. C. review detailed design documentation. D. evaluate system testing.
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
An IS auditor performing a review of the backup processing facilities should be MOST concerned that: A. adequate fire insurance exists. B. regular hardware maintenance is performed. C. offsite storage of transaction and master files exists. D. backup processing facilities are tested fully.
52. Which of the following tests confirm that the new system can operate in its target environment?
In reviewing the IS short-range (tactical) plan, the IS auditor should determine whether: A. there is an integration of IS and business staffs within projects. B. there is a clear definition of the IS mission and vision. C. there is a strategic information technology planning methodology in place. D. the plan correlates business objectives to IS goals and objectives.
When reviewing the IT strategic planning process, an IS auditor should ensure that the plan: A. incorporates state of the art technology. B. addresses the required operational controls. C. articulates the IT mission and vision. D. specifies project management practices.
An IS auditor performing a telecommunication access control review should be concerned PRIMARILY with the: A. maintenance of access logs of usage of various system resources. B. authorization and authentication of the user prior to granting access to system resources. C. adequate protection of stored data on servers by encryption or other means. D. accountability system and the ability to identify any terminal accessing system resources.
When developing a risk-based audit strategy, an IS auditor should conduct a risk assessment to ensure that:
Cisco Certifications 
