The multiple choice questions are very tricky and designed to test your knowledge of details. Problem is, they don't really tell you all the details and definitely don't teach you them. For example, a question is: What information does SAS need in the DATA step to read an Excel workbook file and write it out to a SAS data set. One of the options is 'the name of the Excel worksheet to be read' and I cannot find anywhere that states whether this is necessary or not and if for example the first file will be read of none is specified. There are many questions that I could not be absolutely certain about due to lack of information. How am I supposed to know these things, and further how am I supposed to remember all this? Another problem I noticed is that I do not know when an error vs. a warning will occur and it seems like there is no logic sometimes why one will occur vs another.
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