$1.$ When should you use data blending to combine data?A$.$ When the data will be in multiple worksheets within a workbook B$.$ When using data source that cannot be combined with the default method of using a relationship C$.$ When the data is from same connection D$.$When the data has the same structure but it is for different time period.

$2.$ When should you use a union to combine data? A$.$ when the data is at different levels of detail. B$.$ When the data comes from different data connections. C$.$ When the data will be used to add new field columns. D$.$ When the data has the same structure

$3.$ A field named Product has a format of ID$-$Name$-$Description. you plan to separate the field into two fields and use a hyphen $("-")$ as a separator. What action will result in only one new field that contains Description? A$.$ A custom split on $"-"$ and the last column of the Product field B$.$ A default split on the Product field. C$.$ A csuton split on $"-"$ and the first column of the Product field. D$.$ A custom split on $"-"$ and all columns of the Product field

$4.$A teacher has a table named Class that contains the names of the students in the teacher's class and a table named After$-$School that contains the names of the students in the school's after$-$school program. The Class table is on the left and the After$-$school table is on the right. Which type of join should you use to build a view that displays only the students in the class that ateen the after$-$school program. A$.$ Left B$.$Inner when C$.$ Right D$.$ Full outer

$5.$ When should you use an extract instead of a live connection? A$.$ When data sources are hosed on$-$premises. B$.$ when you plan to use Tableau Prep Builder. C$.$ When maximum security is required for the data. D$.$ when connections to a database are By very slow.

$6.$ By default, what does Tableau do when you connect to data? A$.$ Creates new tables in the data source. B$.$ Brings your actual data file into Tableau. C$.$ Creates a live connection to the data. D$.$ Creates an extract, or snapshot, of the data

$7.$You are building a view that includes Cost and Sale Price data. When you add the Cost field to the view, a prefix of $ is included. When you add the Sale Price field to the view, no prefix is included. But you want the $ prefix to be included for the Sale Price field, too. What should you do$?$ A$.$ edit the attributes for the Sale Price field. B$.$ Change the data type for the Sale Price field. C$.$ Edit the default properties for the Sale Price field. D$.$ Create an alias for the Sale Price field.

$8.$ You have made changes to the structure of a data set, such as renaming fields used in the view. This has resulted in broken references in your vuz, What step should you take to fix the broken references? A$.$ delete the renamed field B$.$ reconnect to the data source. C$.$ close and reopen the worksheet. D$.$ replace all reference.

$9.$ what would you select if you wanted your prep sample to return a representative sample from all rows? A$.$ the default sample size B$.$ a sampling method of quick select C$.$ a sample size of a fixed number of rows D$.$ a sampling method of random sample

$10.$ You have a table named Rainfall$\_1$ and a table named Rainfall$\_2.$ You need to combine the data from the two tables in Tableau Prep. The combined table must match the structure in Rainfall$\_2.$ What should you do first? A$.$ Combine the two tables by using a union. B$.$ In RainFall$\_1,$ pivot rows to columns C$.$ In Raindall$\_1,$ pivot columns to rows D$.$ Combine the two tables by using a join