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COF-C02 Practice Questions

SnowPro Core Certification Exam

Last Update 2 days ago
Total Questions : 948

Dive into our fully updated and stable COF-C02 practice test platform, featuring all the latest SnowPro Core Certification exam questions added this week. Our preparation tool is more than just a Snowflake study aid; it's a strategic advantage.

Our free SnowPro Core Certification practice questions crafted to reflect the domains and difficulty of the actual exam. The detailed rationales explain the 'why' behind each answer, reinforcing key concepts about COF-C02. Use this test to pinpoint which areas you need to focus your study on.

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Question # 221

What is the purpose of the STRIP NULL_VALUES file format option when loading semi-structured data files into Snowflake?

Options:

It removes null values from all columns in the data.

It converts null values to empty strings during loading.

It skips rows with null values during the loading process.

It removes object or array elements containing null values.

Discussion 0

Question # 222

Which command is used to unload data from a Snowflake database table into one or more files in a Snowflake stage?

Options:

CREATE STAGE

COPY INTO

CREATE PIPE

Discussion 0

Question # 223

Which Snowflake role can manage any object grant globally, including modifying and revoking grants?

Options:

USERADMIN

ORGADMIN

SYSADMIN

SECURITYADMIN

Discussion 0

Question # 224

Which Snowflake function is maintained separately from the data and helps to support features such as Time Travel, Secure Data Sharing, and pruning?

Options:

Column compression

Data clustering

Micro-partitioning

Metadata management

Discussion 0

Question # 225

Which Snowflake function will parse a JSON-null into a SQL-null?

Options:

TO_CHAR

TO_VARIANT

TO_VARCHAR

STRIP NULL VALUE

Discussion 0

Question # 226

What is the minimum Snowflake Edition that supports secure storage of Protected Health Information (PHI) data?

Options:

Standard Edition

Enterprise Edition

Business Critical Edition

Virtual Private Snowflake Edition

Discussion 0

Question # 227

What feature can be used to reorganize a very large table on one or more columns?

Options:

Micro-partitions

Clustering keys

Key partitions

Clustered partitions

Discussion 0

Question # 228

What is the default File Format used in the COPY command if one is not specified?

Options:

CSV

JSON

Parquet

XML

Discussion 0

Question # 229

A user with which privileges can create or manage other users in a Snowflake account? (Select TWO).

Options:

GRANT

SELECT

MODIFY

OWNERSHIP

CREATE USER

Discussion 0

Question # 230

What are key characteristics of virtual warehouses in Snowflake? (Select TWO).

Options:

Warehouses that are multi-cluster can have nodes of different sizes.

Warehouses can be started and stopped at any time.

Warehouses can be resized at any time, even while running.

Warehouses are billed on a per-minute usage basis.

Warehouses can only be used for querying and cannot be used for data loading.

Discussion 0

Question # 231

Which Snowflake feature allows administrators to identify unused data that may be archived or deleted?

Options:

Access history

Data classification

Dynamic Data Masking

Object tagging

Discussion 0

Question # 232

How can performance be optimized for a query that returns a small amount of data from a very large base table?

Options:

Use clustering keys

Create materialized views

Use the search optimization service

Use the query acceleration service

Discussion 0

Question # 233

Which data types can be used in Snowflake to store semi-structured data? (Select TWO)

Options:

ARRAY

BLOB

CLOB

JSON

VARIANT

Discussion 0

Question # 234

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:

SELECT LAST_SUCCESS_LOGIN, LOGIN_NAMEFROM ACCOUNT_USAG

USERS;

SELECT EVENT_TIMESTAMP, USER_NAMEFROM table(information_schema.login_history_by_user())

SELECT EVENT_TIMESTAMP, USER_NAMEFROM ACCOUNT_USAG

ACCESS_HISTORY;

SELECT EVENT_TIMESTAMP, USER_NAMEFROM ACCOUNT_USAG

LOGIN_HISTORY;

Discussion 0

Question # 235

What are value types that a VARIANT column can store? (Select TWO)

Options:

STRUCT

OBJECT

BINARY

ARRAY

CLOB

Discussion 0

Question # 236

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

Options:

1 hour

2 hours

4 hours

8 hours

Discussion 0

Question # 237

What SQL command would be used to view all roles that were granted to user.1?

Options:

show grants to user USER1;

show grants of user USER1;

describe user USER1;

show grants on user USER1;

Discussion 0

Question # 238

A user has unloaded data from Snowflake to a stage

Which SQL command should be used to validate which data was loaded into the stage?

Options:

list @file__stage

show @file__stage

view @file__stage

verify @file__stage

Discussion 0

Question # 239

Which of the following describes external functions in Snowflake?

Options:

They are a type of User-defined Function (UDF).

They contain their own SQL code.

They call code that is stored inside of Snowflake.

They can return multiple rows for each row received

Discussion 0

Question # 240

Which data types does Snowflake support when querying semi-structured data? (Select TWO)

Options:

VARIANT

ARRAY

VARCHAR

XML

BLOB

Discussion 0

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