SnowPro Advanced: Data Scientist Certification Exam (DSA-C02) Free Practice Test

Question 1

Skewness of Normal distribution is ___________

A. Negative

B. 0

C. Undefined

D. Positive

Correct Answer: B

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Question 2

Secure Data Sharing do not let you share which of the following selected objects in a database in your account with other Snowflake accounts?

A. External tables

B. Sequences

C. Secure UDFs

D. Tables

Correct Answer: B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 3

Which ones are the key actions in the data collection phase of Machine learning included?

A. Measure

B. Probability

C. Label

D. Ingest and Aggregate

Correct Answer: C,D

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Question 4

Mark the Incorrect understanding of Data Scientist about Streams?

A. Streams do not support repeatable read isolation.

B. Streams on views support both local views and views shared using Snowflake Secure Data Sharing, including secure views.

C. Streams can track changes in materialized views.

D. Streams itself does not contain any table data.

Correct Answer: A,C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 5

What is the risk with tuning hyper-parameters using a test dataset?

A. Model will overfit the training set

B. Model will underfit the test set

C. Model will overfit the test set

D. Model will perform balanced

Correct Answer: C

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 6

Which of the following method is used for multiclass classification?

A. one vs another

B. one vs rest

C. all vs one

D. loocv

Correct Answer: B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 7

Which one is the incorrect option to share data in Snowflake?

A. a Direct Marketplace, in which you directly share specific database objects (a share) to another account in your region using Snowflake Marketplace.

B. a Listing, in which you offer a share and additional metadata as a data product to one or more accounts.

C. a Direct Share, in which you directly share specific database objects (a share) to anoth-er account in your region.

D. a Data Exchange, in which you set up and manage a group of accounts and offer a share to that group.

Correct Answer: A

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

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Snowflake SnowPro Advanced: Data Scientist Certification (DSA-C02) Free Practice Test