REQUIREMENTS ENGINEERING
REQUIREMENTS VALIDATION AND VERIFICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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range check
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presence check
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type check
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lookup
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length check Specifies that data entered must be numerical data in a range. ____
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Detailed explanation-1: -Data validation means checking the accuracy and quality of source data before using, importing or otherwise processing data. Different types of validation can be performed depending on destination constraints or objectives. Data validation is a form of data cleansing.
Detailed explanation-2: -Whole Number-to restrict the cell to accept only whole numbers. Decimal-to restrict the cell to accept only decimal numbers. List-to pick data from the drop-down list. Date-to restrict the cell to accept only date.
Detailed explanation-3: -Type check. Checks that the data entered is of an expected type, e.g. text or a number. Length check. Checks the number of characters meets expectations, e.g. an 8 character password. Presence check.