www.bbcnoun.com.ng CIT851 9/10 1. ___________ is the process of recreation of model based on existing code? Reverse engineering 2. A __________ program generally performs unintended destructive functions that may include destroying data, collecting invalid or falsifying data Trojan horse 3. __________ is a log of changes made in the data, settings and related changes? Audit trail 4. The areas of audit coverage include all but one of these? System interaction 5. One of these is not an example Unified Modeling Language Objectivity diagram 6. What type of maintenance is needed as a consequence of upgraded version or changes in operation system? Adaptive maintenance 7. When the "Not null" constraint is applied on a field of a database table, it implies __________? that the value entered on the field cannot be zero 8. A set of rules that avoid data inconsistency and quality problems is referred to __________? Referential integrity 9. Which of the following is not a feature of traditional software development? Automated documentation generation 10. One of these is not a Front-end tool in Computer Aided Software Engineering Code generator