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Free Snowflake COF-R02 Practice Exam with Questions & Answers | Set: 3

Questions 21

Which cache type is used to cache data output from SQL queries?

Options:
A.

Metadata cache

B.

Result cache

C.

Remote cache

D.

Local file cache

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Questions 22

A company's security audit requires generating a report listing all Snowflake logins (e.g.. date and user) within the last 90 days. Which of the following statements will return the required information?

Options:
A.

SELECT LAST_SUCCESS_LOGIN, LOGIN_NAME

FROM ACCOUNT_USAGE.USERS;

B.

SELECT EVENT_TIMESTAMP, USER_NAME

FROM table(information_schema.login_history_by_user())

C.

SELECT EVENT_TIMESTAMP, USER_NAME

FROM ACCOUNT_USAGE.ACCESS_HISTORY;

D.

SELECT EVENT_TIMESTAMP, USER_NAME

FROM ACCOUNT_USAGE.LOGIN_HISTORY;

Questions 23

Will data cached in a warehouse be lost when the warehouse is resized?

Options:
A.

Possibly, if the warehouse is resized to a smaller size and the cache no longer fits.

B.

Yes. because the compute resource is replaced in its entirety with a new compute resource.

C.

No. because the size of the cache is independent from the warehouse size

D.

Yes. became the new compute resource will no longer have access to the cache encryption key

Questions 24

Which of the following conditions must be met in order to return results from the results cache? (Select TWO).

Options:
A.

The user has the appropriate privileges on the objects associated with the query

B.

Micro-partitions have been reclustered since the query was last run

C.

The new query is run using the same virtual warehouse as the previous query

D.

The query includes a User Defined Function (UDF)

E.

The query has been run within 24 hours of the previously-run query

Questions 25

Which Snowflake partner specializes in data catalog solutions?

Options:
A.

Alation

B.

DataRobot

C.

dbt

D.

Tableau

Questions 26

A sales table FCT_SALES has 100 million records.

The following Query was executed

SELECT COUNT (1) FROM FCT__SALES;

How did Snowflake fulfill this query?

Options:
A.

Query against the result set cache

B.

Query against a virtual warehouse cache

C.

Query against the most-recently created micro-partition

D.

Query against the metadata excite

Questions 27

Which Snowflake feature is used for both querying and restoring data?

Options:
A.

Cluster keys

B.

Time Travel

C.

Fail-safe

D.

Cloning

Questions 28

What is a limitation of a Materialized View?

Options:
A.

A Materialized View cannot support any aggregate functions

B.

A Materialized View can only reference up to two tables

C.

A Materialized View cannot be joined with other tables

D.

A Materialized View cannot be defined with a JOIN

Questions 29

Which services does the Snowflake Cloud Services layer manage? (Select TWO).

Options:
A.

Compute resources

B.

Query execution

C.

Authentication

D.

Data storage

E.

Metadata

Questions 30

Which statement about billing applies to Snowflake credits?

Options:
A.

Credits are billed per-minute with a 60-minute minimum

B.

Credits are used to pay for cloud data storage usage

C.

Credits are consumed based on the number of credits billed for each hour that a warehouse runs

D.

Credits are consumed based on the warehouse size and the time the warehouse is running