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What are the various elements of data design?
i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dictionaries.
ii. Databases - Using software design model, the data models are translated into data structures and data bases at the request level.
iii. Data warehouses - At the business level useful information is identified from several databases and the data warehouses are formed.
What are the benefits of prototyping? i. Prototype uses as a basis for deriving system specification. ii. Design quality can be better. iii. System can be handled efficie
What are the testing principles the software engineer must apply while performing the software testing? i. All tests should be traceable according to customer requirements.
The terms "test scenario" and "test case" are certain used synonymously. Test scenarios are test cases or test scripts, and the series in which they are to be implemented. Test sce
What is security testing? Security testing attempts to determine that protection mechanism built into a system will protect it from improper penetration.
How to compute the cyclomatic complexity? The cyclomatic complexity can be computed by any one of the following ways. 1. The numbers of regions of the flow graph correspond
Write down the SRC for "Add a node" Function Add node Description Adds a node to an existing design. Inputs Node type, Design Identifier, Node position Source
1. An orderly development of testing in which software elements, hardware elements, or both are joined and tested, to check out their interactions, unless the entire system has bee
explain dfd
Question: a) A firewall will be classified according to which layer of the OSI model the protection is at. Using this classification, explain the different types of firewalls.
What are the guidelines for data design? i. Use systematic analysis on data. ii. Find data structures and related operations. iii. Prepare data dictionary. iv. Use inf
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