Tableau TDS-C01 - Tableau Desktop Specialist Exam
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Total 126 questions
Question #6 (Topic: Topic 1, Connecting to & Preparing Data
)
What are two characteristics of relationships? (Choose two.)
A. Relationships will query every table in a data model regardless of whether the fields are in the visualization.
B. Relationships will query only the tables and fields needed to create a visualization.
C. Relationships are only supported when using extracts.
D. Relationships are aware automatically of the native level of detail of logical tables.
Answer: BD
Question #7 (Topic: Topic 1, Connecting to & Preparing Data
)
What are two examples of a date value? (Choose two.)
A. January 1, 1995
B. December
C. Wednesday
D. 2020-05-01
Answer: AD
Question #8 (Topic: Topic 1, Connecting to & Preparing Data
)
What are three reasons to use joins instead of relationships? (Choose three.)
A. You need to use a specific join type.
B. You need to create an extract that will have multiple tables.
C. You need to use row-level security.
D. You need to use a data model that supports shared dimensions.
E. You need to connect to multiple databases.
Answer: ACD
Question #9 (Topic: Topic 1, Connecting to & Preparing Data
)
What are three benefits of using an extract as compared to a live connection to a data source? (Choose three.)
A. A live connection to a data source provides the best performance for data connections.
B. Calculated fields perform better in workbooks connected to extracts than in workbooks with live connections to a data source.
C. Extracts are stored in memory (RAM), resulting in faster query performance as compared with live data connections.
D. An extract reduces the amount of data stored on a client computer as compared to a live data connection.
E. A live connection to a data source can be slow due to network and user traffic, whereas a connection to an extract improves performance.
Answer: BCE
Question #10 (Topic: Topic 1, Connecting to & Preparing Data
)
Which string function should you use to find a substring within a column and return a Boolean value?
A. RTRIM
B. SPLIT
C. CONTAINS
D. ENDSWITH
Answer: C
