Free Snowflake ARA-C01 Exam Questions

Become Snowflake Certified with updated ARA-C01 exam questions and correct answers

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Total 449 Questions | Updated On: Feb 19, 2026

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Question 1

What will happen to ALTER a column setting it to NOT NULL if it contains NULL values?

A : Snowflake deletes the rows with NULL values.

B : NULL values are changed to an empty string " "

C : Snowflake returns an error

D : NULL values are changed to 0

Answer: C

Question 2

One of your joins is taking a lot of time. The query profile view looks like this. What may be the issue?

2020-09-06-20-26-48-21b07202e527a5b67bbba720952a3ecf

A : This may be an "exploding join" issue. The query has provided a condition where records from one table match multiple records from another table resulting in a cartesian product

B : There is not enough memory to process the join query

C : Looks like tablescan is the most expensive operation in the profile.

Answer: A

Question 3

How does Snowflake charge for the compute resources of the cloud services layer?

A : It’s a stable cost of 10$ per month

B : It’s included in the computing cost

C : The typical utilization of the cloud services layer (up to 10% of daily compute credits) is included for free. You pay the excess after this 10%.

D : The typical utilization of the cloud services layer (up to 10% of daily compute credits) is included for free. You pay the excess after this 20%.

Answer: C

Question 4

You have a query that will take 20 minutes to be executed in a data warehouse. This warehouse auto-suspends after 15 minutes. What will happen with the query?

A : The query will be canceled after 15 minutes

B : The query will stop until the warehouse resumes again

C : The query will finish as expected

Answer: C

Question 5

What are the limitations about external functions? (Choose two.)

A : We can only write functions, not stored procedures.

B : The maximum response size per batch is 16MB.

C : External functions must be scalar, so it returns a single value for each input row.

D : Future grants of privileges on external functions are supported.

Answer: A,C

Page: 1 / 90

Total 449 Questions | Updated On: Feb 19, 2026

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