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Answer: A

Connection-oriented protocols provide reliability of the
service provided to the higher layer. It is the
responsibility of such protocols in the transport layer to
enhance the quality of service provided by the network
layer. The application layer is concerned with applications
that are closer to the user. Reliable transport of packets
by connection-oriented protocols is transparent to this
layer. The physical layer transmits only raw bits of data.
The network layer routes packets based on information
provided by the transport layer protocol.

An existing system is being extensively enhanced by extracting and reusing design and program components. This is an example of: A. reverse engineering. B. prototyping. C. software reuse. D. reengineering.

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Programs that can run independently and travel from machine to machine across network connections, with the ability to destroy data or utilize tremendous computer and communication resources, are referred to as: A. trojan horses. B. viruses. C. worms. D. logic bombs.

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An IS auditor performing a review of the IS department discovers that formal project approval procedures do not exist. In the absence of these procedures the IS manager has been arbitrarily approving projects that can be completed in a short duration and referring other more complicated projects to higher levels of management for approval. The IS auditor should recommend as a FIRST course of action that: A. users participate in the review and approval process. B. formal approval procedures be adopted and documented. C. projects be referred to appropriate levels of management for approval. D. the IS manager's job description be changed to include approval authority.

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Which of the following groups should assume ownership of a systems development project and the resulting system? A. User management B. Senior management C. Project steering committee D. Systems development management

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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 functions is performed by a virtual private network (VPN)? A. Hiding information from sniffers on the net B. Enforcing security policies C. Detecting misuse or mistakes D. Regulating access

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The Primary purpose of audit trails is to

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Which of the following concerns about the security of an electronic message would be addressed by digital signatures? A. Unauthorized reading B. Theft C. Unauthorized copying D. Alteration

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An IS auditor discovers evidence of fraud perpetrated with a manager's user id. The manager had written the password, allocated by the system administrator, inside his/her desk drawer. The IS auditor should conclude that the: A. manager's assistant perpetrated the fraud. B. perpetrator cannot be established beyond doubt. C. fraud must have been perpetrated by the manager. D. system administrator perpetrated the fraud.

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Which of the following findings would an IS auditor be MOST concerned about when performing an audit of backup and recovery and the offsite storage vault? A. There are three individuals with a key to enter the area. B. Paper documents also are stored in the offsite vault. C. Data files, which are stored in the vault, are synchronized. D. The offsite vault is located in a separate facility.

1 Answers   Apple,

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Which of the following reports is a measure of telecommunication transmissions and determines whether transmissions are completed accurately? A. Online monitor reports B. Downtime reports C. Help desk reports D. Response time reports

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When performing a general controls review, an IS auditor checks the relative location of the computer room inside the building. What potential threat is the IS auditor trying to identify? A. Social engineering B. Windstorm C. Earthquake D. Flooding

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