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.

A TCP/IP-based environment is exposed to the Internet. Which of the following BEST ensures that complete encryption and authentication protocols exist for protecting information while transmitted? A. Work is completed in tunnel mode with IP security using the nested services of authentication header (AH) and encapsulating security payload (ESP). B. A digital signature with RSA has been implemented. C. Digital certificates with RSA are being used. D. Work is being completed in.TCP services.

1 Answers  

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The method of routing traffic through split cable facilities or duplicate cable facilities is called: A. alternative routing. B. diverse routing. C. redundancy. D. circular routing.

1 Answers  

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Functional acknowledgements are used: A. as an audit trail for EDI transactions. B. to functionally describe the IS department. C. to document user roles and responsibilities. D. as a functional description of application software.

1 Answers   CISA,

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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.

1 Answers  

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Which of the following components is responsible for the collection of data in an intrusion detection system (IDS)? A. Analyzer B. Administration console C. User interface D. Sensor

1 Answers  

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Which of the following is the MOST effective type of antivirus software to detect an infected application? A. Scanners B. Active monitors C. Integrity checkers D. Vaccines

1 Answers  

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The PRIMARY purpose of audit trails is to: A. improve response time for users. B. establish accountability and responsibility for processed transactions. C. improve the operational efficiency of the system. D. provide useful information to auditors who may wish to track transactions.

1 Answers  

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In large corporate networks having supply partners across the globe, network traffic may continue to rise. The infrastructure components in such environments should be scalable. Which of the following firewall architectures limits future scalability? A. Appliances B. Operating system based C. Host based D. Demilitarized

1 Answers  

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Which of the following is a strength of the program evaluation review technique (PERT) over other techniques? PERT: A. considers different scenarios for planning and control projects. B. allows the user to input program and system parameters. C. tests system maintenance processes accurately. D. estimates costs of system projects.

1 Answers  

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Analysis of which of the following would MOST likely enable the IS auditor to determine if a non-approved program attempted to access sensitive data? A. Abnormal job termination reports B. Operator problem reports C. System logs D. Operator work schedules

1 Answers  

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Web and e-mail filtering tools are PRIMARILY valuable to an organization because they: A. Safeguard the organization’s image. B. Maximize employee performance. C. Protect the organization from viruses and nonbusiness materials. D. Assist the organization in preventing legal issues.

3 Answers   Tech Mahindra,

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A programmer included a routine into a payroll application to search for his/her own payroll number. As a result, if this payroll number does not appear during the payroll run, a routine will generate and place random numbers onto every paycheck. This routine is known as: A. scavenging. B. data leakage. C. piggybacking. D. a trojan horse.

1 Answers  

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