Free Snowflake DSA-C02 Exam Questions

Become Snowflake Certified with updated DSA-C02 exam questions and correct answers

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Total 65 Questions | Updated On: Nov 11, 2024

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Question 1

As Data Scientist looking out to use Reader account, Which ones are the correct considerations about Reader Accounts for Third-Party Access?

A : Reader accounts (formerly known as read-only accounts) provide a quick, easy, and cost-effective way to share data without requiring the consumer to become a Snowflake customer.

B : Each reader account belongs to the provider account that created it.

C : Users in a reader account can query data that has been shared with the reader account, but cannot perform any of the DML tasks that are allowed in a full account, such as data loading, insert, update, and similar data manipulation operations.

D : Data sharing is only possible between Snowflake accounts.

Answer: D

Question 2

Which ones are the known limitations of using External function?

A : Currently, external functions cannot be shared with data consumers via Secure Data Sharing.

B : Currently, external functions must be scalar functions. A scalar external function re-turns a single value for each input row.

C : External functions have more overhead than internal functions (both built-in functions and internal UDFs) and usually execute more slowly

D : An external function accessed through an AWS API Gateway private endpoint can be accessed only from a Snowflake VPC (Virtual Private Cloud) on AWS and in the same AWS region.

Answer: A,B,C,D

Question 3

Which of the following cross validation versions may not be suitable for very large datasets with hundreds of thousands of samples?

A : k-fold cross-validation

B : Leave-one-out cross-validation

C : Holdout method

D : All of the above

Answer: B

Question 4

The most widely used metrics and tools to assess a classification model are:

A : Confusion matrix

B : Cost-sensitive accuracy

C : Area under the ROC curve

D : All of the above

Answer: D

Question 5

Select the Data Science Tools which are known to provide native connectivity to Snowflake?

A : Denodo

B : DvSUM

C : DiYotta

D : HEX

Answer: D

Page: 1 / 13

Total 65 Questions | Updated On: Nov 11, 2024

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