DA0-001 · Question #306
DA0-001 Question #306: Real Exam Question with Answer & Explanation
The correct answer is D: Invalid data. The Date and HireDate for CandidateID 03 is listed as 13-05-99. If the format is MM-DD-YY, then 13-05-99 is invalid since there is no 13th month. The Date and HireDate fields have identical values. If both are meant to capture the same information, one is likely redundant.
Question
Given the following data table: Which of the following are appropriate reasons to undertake data cleansing? (Select two).
Options
- ANon-parametric data
- BMissing data
- CDuplicate data
- DInvalid data
- ERedundant data
- FNormalized data
Explanation
The Date and HireDate for CandidateID 03 is listed as 13-05-99. If the format is MM-DD-YY, then 13-05-99 is invalid since there is no 13th month. The Date and HireDate fields have identical values. If both are meant to capture the same information, one is likely redundant.
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