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Qlik Sense Data Architect Certification Exam - 2022 Sample Questions (Q55-Q60):

NEW QUESTION # 55
A data architect needs to create an app that combines employee data from the Sales system and the Human Resources (HR) system.
These systems identify employees differently Employees in the HR system are identified with an alpha-numeric key Employees in the Sales system are identified using an integer key.
The Human Resources manager creates a table that maps these keys to another, called Associations.
The resultant data model must meet the following requirements:
* Associations must be valid
* The model must be optimized for performance
* The option must support multiple tables added
Which solution should the data architect use to meet these requirements?

  • A. MAP EmloyeeKey USING Associations;
  • B. MAPSUBSTRING ( 'Associations' ,EMployeekey) As Employeekey;
  • C. RENAME FIELDS USING Associations;
  • D. APPLYMAP ( 'Associations , EmployeeKey ) as Employeekey;

Answer: A Explanation:
Explanation
The MAP function maps the EmployeeKey in the Sales system to the EmployeeKey in the HR system using the Associations table. This allows the data architect to join the data from the Sales system and the HR system using the same key, ensuring that the associations are valid.
Using the MAP function also optimizes the performance of the data model as it eliminates the need for multiple joins between the data from the Sales and HR systems.
This solution also supports multiple tables added, as the MAP function can be applied to any table that needs to be joined with the HR system data.
NEW QUESTION # 56
Refer to the exhibit.
A data architect is loading two tables into a data model from a SQL database These tables are related on key fields CustomerlD and CustomerKey.
Which script is valid to load the tables and maintain the correct association?
A)

B)

C)

D)

  • A. Option B
  • B. Option C
  • C. Option D
  • D. Option A

Answer: B
NEW QUESTION # 57
Multiple department fields in a dataset require a description
A data architect needs to add the department descriptions or a default value when the department does NOT have a description Which strategy should the data architect use to meet these requirements?

  • A. Left Join between tables and Description xlsx in every Department table
  • B. ApplyMap with two parameters after the Mapping load
  • C. ApplyMap with three parameters after the Mapping load
  • D. Enter "Missing description" in the blank rows for Description xlsx then Mapping Load

Answer: C Explanation:
Explanation
This strategy involves using the ApplyMap function with threeparameters after the Mapping load. This will allow the data architect to add the department descriptions or a default value when the department does not have a description.Source: Qlik
NEW QUESTION # 58
A data architect plans to build an app that contains geographically diverse data that must be specific to user run-time selections. The source contains transactional data. The app must have minimal impact on already limited server resources.
Which approach should the data architect use?

  • A. QVDs
  • B. ODAG
  • C. Loop and Reduce
  • D. In-memory

Answer: A Explanation:
Explanation
Using QVDs is the best approach for this scenario, as it allows the data to be stored in a highly compressed format, which will have minimal impact on server resources. Additionally, QVDs can be loaded quickly, which allows for faster access to the data based on user run-time selections. The other options, Loop and Reduce, In-memory, and ODAG, are not valid strategies for this scenario.
NEW QUESTION # 59
Refer to the exhibit.

A data architect is loading the tables and a synthetic key is generated.
How should the data architect resolve the synthetic key?

  • A. Create a composite key using OrderlD and LineNo
  • B. Remove the LineNo field from both tables and use the AutoNumber function on the OrderlD field
  • C. Create a composite key using OrderlD and LineNo, and remove OrderlD and LineNo from Shipments
  • D. Remove the LineNo field from Shipments and use the AutoNumber function on the OrderlD field

Answer: A Explanation:
Explanation
This is the recommended approach to resolving synthetic keys, as it allows you to maintain the integrity of the data by combining two or more fields into a single key. The composite key can then be used to join the two tables together, ensuring that the data is consistent and accurate.
NEW QUESTION # 60
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