SnowPro Advanced: Data Scientist Certification (DSA-C02): DSA-C02

Consider a data frame df with columns ['A', 'B', 'C', 'D'] and rows ['r1', 'r2', 'r3']. What does the ex-pression df[lambda x : x.index.str.endswith('3')] do?

A. Returns the row name r3

B. Results in Error

C. Returns the third column

D. Filters the row labelled r3

Which ones are the type of visualization used for Data exploration in Data Science? Choose 3.

A. Heat Maps

B. Newton AI

C. Feature Distribution by Class

D. 2D-Density Plots

E. Sand Visualization

Mark the incorrect statement regarding usage of Snowflake Stream and Tasks?

A. Snowflake automatically resizes and scales the compute resources for serverless tasks.

B. Snowflake ensures only one instance of a task with a schedule (i.e. a standalone task or the root task in a DAG) is executed at a given time. If a task is still running when the next scheduled execution time occurs, then that scheduled time is skipped.

C. Streams support repeatable read isolation.

D. An standard-only stream tracks row inserts only.