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When aquiring GIS data, there are many resources and costs associated with obtaining it.  To maximize your efforts for obtaining the data, it is highly recommended you read the _______________ first in order to find out information about the data such as coordinate system, who produced/responsable for it, reason for its production, how it was collected, when it was collected, update frequency, among other pieces of information.  This information will help you make an informed decision as to the currancy and applicabllity of the data to your project and will help avoid paying for something you do not need.  If a GIS data layer does not have or you are not able to obtain ___________, you should avoid getting that data, as the GIS data creator does not think it is important enough to include this document.  Note: The answer you choose below will fit in both blanks of the question.Group of answer choicesattribute datametadatadata accuracyNone of the above, just get the data.

Question

When aquiring GIS data, there are many resources and costs associated with obtaining it.  To maximize your efforts for obtaining the data, it is highly recommended you read the _______________ first in order to find out information about the data such as coordinate system, who produced/responsable for it, reason for its production, how it was collected, when it was collected, update frequency, among other pieces of information.  This information will help you make an informed decision as to the currancy and applicabllity of the data to your project and will help avoid paying for something you do not need.  If a GIS data layer does not have or you are not able to obtain ___________, you should avoid getting that data, as the GIS data creator does not think it is important enough to include this document.  Note: The answer you choose below will fit in both blanks of the question.Group of answer choicesattribute datametadatadata accuracyNone of the above, just get the data.

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Solution

The correct answer is "metadata". Reading the metadata first will provide you with all the necessary information about the GIS data such as the coordinate system, the producer, the reason for its production, the collection method, the collection date, the update frequency, and other relevant information. This will help you make an informed decision about the currency and applicability of the data to your project. If a GIS data layer does not have metadata or if you are unable to obtain it, it is recommended to avoid that data.

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