QSDA2021 Exam Questions and Answers

QUESTION: 6

Refer to the exhibit.

A data architect executes the script.
What will be the value of the first row for Field_1?

A
D
Null
4

Answer(s): B

A data architect is building a model to show trends in visualizations across seven date fields. The seven date fields reside in different tables. The data architect must efficiently build this data model.
Requirements:
· A single date selector
· Show all dates, even those with NO activity
· Minimize the impact on server resources and p

Which two solutions should the data architect use? (Select two.)

Canonical calendar
Generic load
Data island
Multiple calendars
Link table

Answer(s): A,E

Explanation:

A canonical calendar should be used to create a single date selector that can be used to show all dates, even those with no activity. A link table should be used to join the seven date fields from different tables, which will minimize the impact on server resources and performance. Source: Qlik

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QUESTION: 8

Refer to the exhibit.

Refer to the exhibit.
A data architect is loading two tables: Orders and Product. The Product table includes attributes and values for each ProductID such as Colour, Price, Category, and Description. The business analyst can filter by the value of these attributes. For performance reasons, the Data Model will use two tables.
Which solution should the data architect apply in the Data Load Editor to build the ProductDetails table?
For performance reasons, the Data Model will use two tables a Load Editor to build the ProductDetails table?

Use a For loop to concatenate all of the Products table and apply a Generic Load to the final concatenate table
Use a For loop to apply a Generic load to the Product table and concatenate the generic tables together
Use a Generic Load in the Product table and a For loop to left join each Generic table

Answer(s): C

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QUESTION: 9

Refer to the exhibit.

A Human Resources Director needs an app to analyze organizational structure. The Directory is particularly interested in the longest levels of line management. Two table loads are required. Both use the same basic structure.

Which two table load prefixes are needed?

· HierarchyLevel(EmployeelD, ManagerlD Name Level, '/', Structure) · HierarchyBelongsTo(EmployeelD, ManagerlD, Name ManagerlD, Manager, Depth)
· HierarchyBelongsTo(ManagerlD, Manager, ManagerlD, ManagerlD, Manager Level) · Hierarchy(EmployeelD, ManagerlD, Name. Manager Name, Structure `/' Depth)
· Hierarchy(EmployeelD. ManagerlD Name, Manager Name, Structure V, Depth) · HierarchyLevelEmployeelD, ManagerlD, Name, Manager, Name, Structure, Depth `/')
· HierarchyBelongs.To(EmployeeID, ManagerlD, Name ManagerlD, Manager, Depth)

Answer(s): D

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