Snowflake COF-C02 Exam Dumps

SnowPro Core Certification Exam

Snowflake COF-C02 Sample Questions

Question # 1

When using the ALLOW_CLI£NT_MFA_CACHING parameter, how long is a cached Multi-Factor Authentication (MFA) token valid for?

A. 1 hour
B. 2 hours
C. 4 hours
D. 8 hours

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Question # 2

If file format options are specified in multiple locations, the load operation selects whichoption FIRST to apply in order of precedence?

A. Table definition
B. Stage definition
C. Session level
D. COPY INTO TABLE statement

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Question # 3

How does Snowflake reorganize data when it is loaded? (Select TWO).

A. Binary format
B. Columnar format
C. Compressed format
D. Raw format
E. Zipped format

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Question # 4

Which Snowflake database object can be shared with other accounts?

A. Tasks
B. Pipes
C. Secure User-Defined Functions (UDFs)
D. Stored Procedures

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Question # 5

Which Snowflake database object can be shared with other accounts?

A. Tasks
B. Pipes
C. Secure User-Defined Functions (UDFs)
D. Stored Procedures

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Question # 6

What is the MINIMUM role required to set the value for the parameterENABLE_ACCOUNT_DATABASE_REPLICATION?

A. ACCOUNTADMIN
B. SECURITYADMIN
C. SYSADMIN
D. ORGADMIN

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Question # 7

Which system_defined Snowflake role has permission to rename an account and specifywhether the original URL can be used to access the renamed account?

A. ACCOUNTADMIN
B. SECURITYADMIN
C. SYSADMIN
D. ORGADMIN

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Question # 8

When using SnowSQL, which configuration options are required when unloading data froma SQL query run on a local machine? {Select TWO).

A. echo
B. quiet
C. output_file
D. output_format
E. force_put_overwrite

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Question # 9

What value provides information about disk usage for operations where intermediateresults do not fit in memory in a Query Profile?

A. IO
B. Network
C. Pruning
D. Spilling

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Question # 10

Which function will provide the proxy information needed to protect Snowsight?

A. SYSTEMADMIN_TAG
B. SYSTEM$GET_PRIVATELINK
C. SYSTEMSALLONTLIST
D. SYSTEMAUTHORIZE

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Question # 11

How do secure views compare to non-secure views in Snowflake?

A. Secure views execute slowly compared to non-secure views.
B. Non-secure views are preferred over secure views when sharing data.
C. Secure views are similar to materialized views in that they are the most performant.
D. There are no performance differences between secure and non-secure views.

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Question # 12

Which Snowflake layer is associated with virtual warehouses?

A. Cloud services
B. Query processing
C. Elastic memory
D. Database storage

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Question # 13

What are characteristics of reader accounts in Snowflake? (Select TWO).

A. Reader account users cannot add new data to the account.
B. Reader account users can share data to other reader accounts.
C. A single reader account can consume data from multiple provider accounts.
D. Data consumers are responsible for reader account setup and data usage costs.
E. Reader accounts enable data consumers to access and query data shared by theprovider.

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Question # 14

How does the search optimization service help Snowflake users improve queryperformance?

A. It scans the micro-partitions based on the joins used in the queries and scans only joincolumns.
B. II maintains a persistent data structure that keeps track of the values of the table'scolumns m each of its micro-partitions.
C. It scans the local disk cache to avoid scans on the tables used in the Query.
D. It keeps track of running queries and their results and saves those extra scans on thetable.

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Question # 15

Which DDL/DML operation is allowed on an inbound data share?

A. ALTER TA3LE
B. INSERT INTO
C. MERGE
D. SELECT

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Question # 16

A view is defined on a permanent table. A temporary table with the same name is createdin the same schema as the referenced table. What will the query from the view return?

A. The data from the permanent table.
B. The data from the temporary table.
C. An error stating that the view could not be compiled.
D. An error stating that the referenced object could not be uniquely identified.

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Question # 17

What are valid sub-clauses to the OVER clause for a window function? (Select TWO).

A. GROUP BY
B. LIMIT
C. ORDER BY
D. PARTITION BY
E. UNION ALL

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Question # 18

A user needs to create a materialized view in the schema MYDB.MYSCHEMA. Whichstatements will provide this access?

A. GRANT ROLE MYROLE TO USER USER1;GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO ROLEMYROLE;
B. GRANT ROLE MYROLE TO USER USER1;GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO USERUSER1;
C. GRANT ROLE MYROLE TO USER USER1;GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB. K"-'SCHEMA TO USER! ;
D. GRANT ROLE MYROLE TO USER USER1;GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO MYROLE;

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Question # 19

What compute resource is used when loading data using Snowpipe?

A. Snowpipe uses virtual warehouses provided by the user.
B. Snowpipe uses an Apache Kafka server for its compute resources.
C. Snowpipe uses compute resources provided by Snowflake.
D. Snowpipe uses cloud platform compute resources provided by the user.

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Question # 20

What activities can a user with the ORGADMIN role perform? (Select TWO).

A. Create an account for an organization.
B. Edit the account data for an organization.
C. Delete the account data for an organization.
D. View usage information for all accounts in an organization.
E. Select all the data in tables for all accounts in an organization.

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Question # 21

Which Snowflake feature can be used to find sensitive data in a table or column?

A. Masking policies
B. Data classification
C. Row level policies
D. External functions

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Question # 22

Which table function should be used to view details on a Directed Acyclic Graphic (DAG)run that is presently scheduled or is executing?

A. TASK_HISTORY
B. TASK_DEPENDENTS
C. CURRENT_TASK_GRAPHS
D. COMPLETE_TASK_GRAPHS

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Question # 23

Snowflake's hierarchical key mode includes which keys? (Select TWO).

A. Account master keys
B. Database master keys
C. File keys
D. Secure view keys
E. Schema master keys

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Question # 24

What role is required to use Partner Connect?

A. ACCOUNTADMIN
B. ORGADMIN
C. SECURITYADMIN
D. SYSADMIN

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Question # 25

How does a Snowflake user extract the URL of a directory table on an external stage forfurther transformation?

A. Use the SHOW STAGES command.
B. Use the DESCRIBE STAGE command.
C. Use the GET_ABSOLUTE_PATH function.
D. Use the GET_STAGE_LOCATION function.

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Question # 26

Which role allows a SnowFlake user to view table-level storage utilization information fromthe TABLE_STORAGE_METRICS view by the default?

A. ACCOUNTADMIN
B. SECURYADMIN
C. SYSADMIN
D. USERADMIN

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Question # 27

What action can a user take to address query concurrency issues?

A. Enable the query acceleration service.
B. Enable the search optimization service.
C. Add additional clusters to the virtual warehouse
D. Resize the virtual warehouse to a larger instance size.

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Question # 28

What SnowFlake database object is derived from a query specification, stored for later use,and can speed up expensive aggregation on large data sets?

A. Temporary table
B. External table
C. Secure view
D. Materialized view

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Question # 29

Why would a Snowflake user decide to use a materialized view instead of a regular view?

A. The base tables do not change frequently.
B. The results of the view change often.
C. The query is not resource intensive.
D. The query results are not used frequently.

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Question # 30

A Snowflake user is writing a User-Defined Function (UDF) that includes some unqualifiedobject names.How will those object names be resolved during execution?

A. Snowflake will resolve them according to the SEARCH_PATH parameter.
B. Snowflake will only check the schema the UDF belongs to.
C. Snowflake will first check the current schema, and then the schema the previous queryused
D. Snowflake will first check the current schema, and them the PUBLIC schema of thecurrent database.

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Question # 31

What is a non-configurable feature that provides historical data that Snowflake may recoverduring a 7-day period?

A. Fail-safe
B. Time Travel
C. Cloning
D. Account replication

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Question # 32

What are the main differences between the account usage views and the informationschema views? (Select TWO).

A. No active warehouse to needed to query account usage views but one is needed toquery information schema views.
B. Account usage views do not contain data about tables but information schema views do.
C. Account issue views contain dropped objects but information schema views do not.
D. Data retention for account usage views is 1 year but is 7 days to 6 months forinformation schema views, depending on the view.
E. Information schema views are read-only but account usage views are not.

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Question # 33

What is one of the characteristics of data shares?

A. Data shares support full DML operations.
B. Data shares work by copying data to consumer accounts.
C. Data shares utilize secure views for sharing view objects.
D. Data shares are cloud agnostic and can cross regions by default.

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Question # 34

A user wants to access stored in a stage without authenticating into Snowflake.Which type of URL should be used?

A. File URL
B. Staged URL
C. Scoped URL
D. Pre-signed URL

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Question # 35

What is the Fail-safe period for a transient table in the Snowflake Enterprise edition andhigher?

A. 0 days
B. 1 day
C. 7 days
D. 14 days

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Question # 36

Which data formats are supported by Snowflake when unloading semi-structured data?(Select TWO).

A. Binary file in Avro
B. Binary file in Parquet
C. Comma-separated JSON
D. Newline Delimited JSON
E. Plain text file containing XML elements

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Question # 37

What step can reduce data spilling in Snowflake?

A. Using a larger virtual warehouse
B. Increasing the virtual warehouse maximum timeout limit
C. Increasing the amount of remote storage for the virtual warehouse
D. Using a Common Table Expression (CTE) instead of a temporary table

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Question # 38

User1, who has the SYSADMIN role, executed a query on Snowsight. User2, who is in thesame Snowflake account, wants to view the result set of the query executed by User1using the Snowsight query history.What will happen if User2 tries to access the query history?

A. If User2 has the sysadmin role they will be able to see the results.
B. If User2 has the securityadmin role they will be able to see the results.
C. If User2 has the ACCOUNTADMIN role they will be able to see the results.
D. User2 will be unable to view the result set of the query executed by User1.

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Question # 39

When unloading data, which file format preserves the data values for floating-point numbercolumns?

A. Avro
B. CSV
C. JSON
D. Parquet

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Question # 40

Which Snowflow object does not consume and storage costs?

A. Secure view
B. Materialized view
C. Temporary table
D. Transient table

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Question # 41

A stream can be created on which Snowflake objects to record data manipulationlanguage(DML) changes? (Select TWO).

A. Database
B. Standard tables
C. Standard tables
D. Standard views
E. Schemas
F. Pipes

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Question # 42

How does a Snowflake stored procedure compare to a User-Defined Function (UDF)?

A. A single executable statement can call only two stored procedures. In contrast, a singleSQL statement can call multiple UDFs.
B. A single executable statement can call only one stored procedure. In contrast, a singleSQL statement can call multiple UDFs.
C. A single executable statement can call multiple stored procedures. In contrast, multipleSQL statements can call the same UDFs.
D. Multiple executable statements can call more than one stored procedure. In contrast, asingle SQL statement can call multiple UDFs.

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