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Snowflake COF-R02 Practice Test - Questions Answers, Page 18

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A materialized view should be created when which of the following occurs? (Choose two.)
Which minimum Snowflake edition allows for a dedicated metadata store?
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?
Which of the following Snowflake features provide continuous data protection automatically? (Select TWO).
A company needs to read multiple terabytes of data for an initial load as part of a Snowflake migration. The company can control the number and size of CSV extract files. How does Snowflake recommend maximizing the load performance?
Which TABLE function helps to convert semi-structured data to a relational representation?
How should a virtual warehouse be configured if a user wants to ensure that additional multi-clusters are resumed with no delay?
Which SQL command can be used to see the CREATE definition of a masking policy?
Which database objects can be shared with the Snowflake secure data sharing feature? (Choose two.)
What is the MINIMUM Snowflake edition required to use the periodic rekeying of micro-partitions?

Question 171

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A user is preparing to load data from an external stage

Which practice will provide the MOST efficient loading performance?

A.
Organize files into logical paths
A.
Organize files into logical paths
Answers
B.
Store the files on the external stage to ensure caching is maintained
B.
Store the files on the external stage to ensure caching is maintained
Answers
C.
Use pattern matching for regular expression execution
C.
Use pattern matching for regular expression execution
Answers
D.
Load the data in one large file
D.
Load the data in one large file
Answers
Suggested answer: D

Question 172

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If 3 size Small virtual warehouse is made up of two servers, how many servers make up a Large warehouse?

A.
4
A.
4
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B.
8
B.
8
Answers
C.
16
C.
16
Answers
D.
32
D.
32
Answers
Suggested answer: B

Explanation:

Size specifies the amount of compute resources available per cluster in a warehouse. Snowflake supports the following warehouse sizes:

https://docs.snowflake.com/en/user-guide/warehouses-overview.html

Question 173

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Which command sets the Virtual Warehouse for a session?

A.
COPY WAREHOUSE FROM <<config file>>;
A.
COPY WAREHOUSE FROM <<config file>>;
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B.
SET WAREHOUSE = <<warehouse name>>;
B.
SET WAREHOUSE = <<warehouse name>>;
Answers
C.
USE WAREHOUSE <<warehouse name>>;
C.
USE WAREHOUSE <<warehouse name>>;
Answers
D.
USE VIRTUAL_WAREHOUSE <<warehouse name>>;
D.
USE VIRTUAL_WAREHOUSE <<warehouse name>>;
Answers
Suggested answer: C

Explanation:

Reference: https://docs.snowflake.com/en/user-guide/warehouses-tasks.html

Question 174

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What occurs when a pipe is recreated using the CREATE OR REPLACE PIPE command?

A.
The Pipe load history is reset to empty.
A.
The Pipe load history is reset to empty.
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B.
The REFRESH command is executed.
B.
The REFRESH command is executed.
Answers
C.
The stage will be purged.
C.
The stage will be purged.
Answers
D.
The destination table is truncated.
D.
The destination table is truncated.
Answers
Suggested answer: B

Question 175

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True or False: Snowpipe via REST API can only reference External Stages as source.

A.
True
A.
True
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B.
False
B.
False
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Suggested answer: B

Explanation:

Reference: https://community.snowflake.com/s/article/Making-Transient-table-by-Default

Question 176

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Which of the following are best practices for loading data into Snowflake? (Choose three.)

A.
Aim to produce data files that are between 100 MB and 250 MB in size, compressed.
A.
Aim to produce data files that are between 100 MB and 250 MB in size, compressed.
Answers
B.
Load data from files in a cloud storage service in a different region or cloud platform from the service or region containing the Snowflake account, to save on cost.
B.
Load data from files in a cloud storage service in a different region or cloud platform from the service or region containing the Snowflake account, to save on cost.
Answers
C.
Enclose fields that contain delimiter characters in single or double quotes.
C.
Enclose fields that contain delimiter characters in single or double quotes.
Answers
D.
Split large files into a greater number of smaller files to distribute the load among the compute resources in an active warehouse.
D.
Split large files into a greater number of smaller files to distribute the load among the compute resources in an active warehouse.
Answers
E.
When planning which warehouse(s) to use for data loading, start with the largest warehouse possible.
E.
When planning which warehouse(s) to use for data loading, start with the largest warehouse possible.
Answers
F.
Partition the staged data into large folders with random paths, allowing Snowflake to determine the best way to load each file.
F.
Partition the staged data into large folders with random paths, allowing Snowflake to determine the best way to load each file.
Answers
Suggested answer: B, C, E

Question 177

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What do the terms scale up and scale out refer to in Snowflake? (Choose two.)

A.
Scaling out adds clusters of the same size to a virtual warehouse to handle more concurrent queries.
A.
Scaling out adds clusters of the same size to a virtual warehouse to handle more concurrent queries.
Answers
B.
Scaling out adds clusters of varying sizes to a virtual warehouse.
B.
Scaling out adds clusters of varying sizes to a virtual warehouse.
Answers
C.
Scaling out adds additional database servers to an existing running cluster to handle more concurrent queries.
C.
Scaling out adds additional database servers to an existing running cluster to handle more concurrent queries.
Answers
D.
Snowflake recommends using both scaling up and scaling out to handle more concurrent queries.
D.
Snowflake recommends using both scaling up and scaling out to handle more concurrent queries.
Answers
E.
Scaling up resizes a virtual warehouse so it can handle more complex workloads.
E.
Scaling up resizes a virtual warehouse so it can handle more complex workloads.
Answers
F.
Scaling up adds additional database servers to an existing running cluster to handle larger workloads.
F.
Scaling up adds additional database servers to an existing running cluster to handle larger workloads.
Answers
Suggested answer: A, E

Question 178

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What is the minimum Snowflake edition that has column-level security enabled?

A.
Standard
A.
Standard
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B.
Enterprise
B.
Enterprise
Answers
C.
Business Critical
C.
Business Critical
Answers
D.
Virtual Private Snowflake
D.
Virtual Private Snowflake
Answers
Suggested answer: B

Question 179

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When cloning a database, what is cloned with the database? (Choose two.)

A.
Privileges on the database
A.
Privileges on the database
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B.
Existing child objects within the database
B.
Existing child objects within the database
Answers
C.
Future child objects within the database
C.
Future child objects within the database
Answers
D.
Privileges on the schemas within the database
D.
Privileges on the schemas within the database
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E.
Only schemas and tables within the database
E.
Only schemas and tables within the database
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Suggested answer: B, E

Question 180

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Which of the following describes the Snowflake Cloud Services layer?

A.
Coordinates activities in the Snowflake account
A.
Coordinates activities in the Snowflake account
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B.
Executes queries submitted by the Snowflake account users
B.
Executes queries submitted by the Snowflake account users
Answers
C.
Manages quotas on the Snowflake account storage
C.
Manages quotas on the Snowflake account storage
Answers
D.
Manages the virtual warehouse cache to speed up queries
D.
Manages the virtual warehouse cache to speed up queries
Answers
Suggested answer: A
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