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Linux is an __________ operating system
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it iscorrect answer linux is open source operating system
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Online banking transactions are being posted to the database when processing suddenly comes to a halt. The integrity of the transaction processing is best ensured by: A. database integrity checks. B. validation checks. C. input controls. D. database commits and rollbacks.
Facilitating telecommunications continuity by providing redundant combinations of local carrier T-1 lines, microwaves and/or coaxial cables to access the local communication loop is: A. last mile circuit protection. B. long haul network diversity. C. diverse routing. D. alternative routing.
An advantage in using a bottom-up versus a top-down approach to software testing is that: A. interface errors are detected earlier. B. confidence in the system is achieved earlier. C. errors in critical modules are detected earlier. D. major functions and processing are tested earlier.
Which of the following is the PRIMARY safeguard for securing software and data within an information processing facility? A. Security awareness B. Reading the security policy C. Security committee D. Logical access controls
Which of the following should be of MOST concern to an IS auditor? A. Lack of reporting of a successful attack on the network B. Failure to notify police of an attempted intrusion C. Lack of periodic examination of access rights D. Lack of notification to the public of an intrusion
Which of the following controls would be the MOST comprehensive in a remote access network with multiple and diverse subsystems? A. Proxy server B. Firewall installation C. Network administrator D. Password implementation and administration
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
Which of the following is a benefit of using callback devices? A. Provide an audit trail B. Can be used in a switchboard environment C. Permit unlimited user mobility D. Allow call forwarding
An organization wants to enforce data integrity principles and achieve faster performance/execution in a database application. Which of the following design principles should be applied? A. User (customized) triggers B. Data validation at the front end C. Data validation at the back end D. Referential integrity
In planning a software development project, which of the following is the MOST difficult to determine? A. Project slack times B. The project's critical path C. Time and resource requirements for individual tasks D. Relationships that preclude the start of an activity before others are complete
Which of the following security techniques is the BEST method for authenticating a user's identity? A. Smart card B. Biometrics C. Challenge-response token D. User ID and password
Which of the following is the MOST reliable sender authentication method? A. Digital signatures B. Asymmetric cryptography C. Digital certificates D. Message authentication code
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