1. Bins can be created for which type of field?  Continuous Measure
2. Caching is optimizing the technique   True
3. Can we add or setup new string computation after SparkContext starts   No
4. Can we edit the data of RDD, for example, the case conversion?  No
5. Can you combine the libraries of Apache Spark into the same Application, for example, MLlib, GraphX, SQL and DataFrames etc.   Yes
6. Does Spark R make use of MLlib in any aspect?  Yes
7. Dstream internally is   Continuous Stream of RDD
8. How many Spark Context can be active per JVM?  Only one
9. How many tasks does Spark run on each partition?  One
10. How much faster can Apache Spark potentially run batch-processing programs when processed in memory than MapReduce can?   100 times faster
11. If you have bar chart with a single bar, but you want to subdivide that bar into multiple categories, what should you add to your view?  A dimension
12.  If you want to replace one Field with another without breaking your worksheet   Use the Replace References feature
13. In a Calculated Field, the following will be interpreted as a comment   Anything after // will be treated as a comment
14. In aggregate function can we get the data type different from as that input data type?  Yes
15. In Dataframe in Spark Once the domain object is converted into a data frame, the regeneration of domain object is not possible.  True
16. In Spark SQL optimization which of the following is not present in the logical plan   Abstract syntax tree
17. In the Physical planning phase of Query optimization we can use both Coast-based and Rule-based optimization   True
18. In the Southern Region Superstore data, the Product Category, Product Subcategory, and Product Name might be combined using which of the following:  Hierarchy
19. In which of the following Action the result is not returned to the driver.  foreach()
20. Is Spark included in every major distribution of Hadoop?  Yes
21. Spark is developed in which language   Scala
22. Spark SQL plays the main role in the optimization of queries.  True
23. SparkContext guides how to access the Spark cluster.  True
24.   SparkSQL translates commands into codes. These codes are processed by   Executor Nodes
25. The basic abstraction of Spark Streaming is  Dstream
26. The default storage level of cache() is?    MEMORY_ONLY
27. The most important items on a dashboard should be positioned where?  Upper Left
28. The primary Machine Learning API for Spark is now the _____ based API   DataFrame
29. This optimizer is based on functional programming construct in   Scala
30. This type of join will include all values from the left table: Left
31. We can extend the functionality of Tableau through Third-Party companies    True
32. What are the parameters defined to specify window operation   Window length, sliding interval
33. What is a transformation in Spark RDD?  Takes RDD as input and produces one or more RDD as output.
34. What is the maximum number of Columns in a Table   16 columns
35. When creating a union between tables, what will happen if the field names do not match?  Fields in the union that do not have matching field names will contain null values.
36. When using data source Fields in Calculated Fields, the Square brackets are optional   True
37. Which chart type will best visualize the relationship between two continuous measures?  Scatter Plot
38. Which feature will allow you to show more relevant or descriptive dimension values in your view than what the original data provides?  Alias
39. Which is not a component on the top of Spark Core?  Spark RDD
40. Which of the descriptions below describes a Tableau Story  A contains a sequence of worksheets or dashboards that work together to convey information
41. Which of the following algorithm is not present in MLlib?  Tanimoto distance
42. Which of the following fields will have AGG in front of it when you add it to the view?  A calculated field with the formula SUM([Profit])
43. Which of the following functions can be used on string to create a measure?  COUNTD
44.   Which of the following is a module for Structured data processing?   Spark SQL
45. Which of the following is a table calculation?  TOTAL
46. Which of the following is action?   CountByValue()
47. Which of the following is false for Apache Spark?  Spark is an open source framework which is written in Java
48. Which of the following is not a component of Spark Ecosystem?  Sqoop
49. Which of the following is not a default property which can be set for a measure?  Sort
50. Which of the following is not a function of Spark Context in Apache Spark?  Entry point to Spark SQL
51. Which of the following is not a Spark SQL query execution phases?  Execution
52. Which of the following is not an action?  map
53. Which of the following is not output operation on DStream  ReduceByKeyAndWindow
54. Which of the following is not the feature of Spark?  It is cost efficient
55. Which of the following is not true for DataFrame?  DataFrame in Apache Spark is behind RDD
56. Which of the following is not true for Hadoop and Spark?  Both have their own file system
57. Which of the following is the best reason to create a saved data source as a .TDS file  You want to save the default field properties such as number formats and sort order
58. Which of the following is the entry point of Spark Application   SparkContext
59.  Which of the following is the entry point of Spark SQL?  SparkSession
60. Which of the following is the fundamental data structure of Spark   RDD
61. Which of the following is the reason for Spark being Speedy than MapReduce?  DAG execution engine and in-memory computation
62. Which of the following is true about DataFrame?  DataFrames provide a more user-friendly API than RDDs.
63. Which of the following is true for Spark core?  It is the kernel of Spark
64. Which of the following is true for Spark SQL?  It enables users to run SQL / HQL queries on the top of Spark.
65. Which of the following provide the Spark Core’s fast scheduling capability to perform streaming analytics.  Spark Streaming
66. Which of the following should be used if, for security purposes, you’d like users to enter their database credentials in order to access the workbook:  Live Connection
67. Which of the following uses a primary and secondary data source?  Blending
68. You can add additional Color palettes to Tableau  True
69. You have a dashboard and you want to add a feature so that selecting an element on one of the worksheets on the dashboard causes a change on another worksheet in the same dashboard. What features will do this? (select all that apply)   Filter Action.Highlight Action.
70. You have a scatter plot showing sales on the x-axis and profit on the y-axis, with each dot representing a different product subcategory. You want to show how the points on the scatter plot vary based on Net Profit, a third continuous variable. Which would be most appropriate? (Select all that apply)    Size.Color.
71. You have SUM([Minutes of Delay]) in your view. If aggregate measures is unchecked, what will the view show instead of SUM([Minutes of Delay])?  Minutes of Delay
72. You start with a blank worksheet and add a continuous field to the row shelf. How will this new field change your view?  It will add a vertical axis

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