Snowflake New 2023 COF-C02 Sample Questions Reliable COF-C02 Test Engine [Q106-Q127]

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Snowflake New 2023 COF-C02 Sample Questions Reliable COF-C02 Test Engine

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The SnowPro Core Certification exam is intended for professionals who work with Snowflake’s cloud data platform, including data architects, data engineers, data analysts, and data scientists. COF-C02 exam covers topics such as Snowflake’s architecture, data loading, data modeling, data security, and data warehousing. Candidates who pass COF-C02 exam will have a deep understanding of Snowflake’s capabilities and how to utilize them in real-world scenarios.

NO.106 Which of the following are options when creating a Virtual Warehouse?

Auto-suspend

Auto-resume

Local SSD size

User count

NO.107 The Snowflake Cloud Data Platform is described as having which of the following architectures?

Shared-disk

Shared-nothing

Multi-cluster shared data

Serverless query engine

NO.108 Which copy INTO command outputs the data into one file?

SINGLE=TRUE

MAX_FILE_NUMBER=1

FILE_NUMBER=1

MULTIPLE=FAISE

NO.109 Which of the following describes external functions in Snowflake?

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

External functions are user-defined functions that are stored and executed outside of Snowflake.
External functions make it easier to access external API services such as geocoders, machine learning models, and other custom code running outside of Snowflake. This feature eliminates the need to export and reimport data when using third-party services, significantly simplifying your data pipelines.
https://docs.snowflake.com/en/sql-reference/external-functions.html#:~:text=External%20functions%20are%20user%2Ddefined,code%20running%20outside%20of%20Snowflake.

NO.110 Which account__usage views are used to evaluate the details of dynamic data masking? (Select TWO)

ROLES

POLICY_REFERENCES

QUERY_HISTORY

RESOURCE_MONIT ORS

ACCESS_HISTORY

NO.111 Which features make up Snowflake’s column level security? (Select TWO).

Continuous Data Protection (CDP)

Dynamic Data Masking

External Tokenization

Key pair authentication

Row access policies

NO.112 What type of query benefits the MOST from search optimization?

A query that uses only disjunction (i.e., OR) predicates

A query that includes analytical expressions

A query that uses equality predicates or predicates that use IN

A query that filters on semi-structured data types

Reference: https://community.snowflake.com/s/article/Search-Optimization-When-How-To-Use

NO.113 True or False: Data Providers can share data with only the Data Consumer.

True

False

NO.114 Which cache type is used to cache data output from SQL queries?

Metadata cache

Result cache

Remote cache

Local file cache

https://community.snowflake.com/s/article/Caching-in-Snowflake-Data-Warehouse

NO.115 Which clients does Snowflake support Multi-Factor Authentication (MFA) token caching for? (Select TWO).

GO driver

Node.js driver

ODBC driver

Python connector

Spark connector

NO.116 True or False: A 4X-Large Warehouse may, at times, take longer to provision than a X-Small Warehouse.

True

False

NO.117 What happens when an external or an internal stage is dropped? (Select TWO).

When dropping an external stage, the files are not removed and only the stage is dropped

When dropping an external stage, both the stage and the files within the stage are removed

When dropping an internal stage, the files are deleted with the stage and the files are recoverable

When dropping an internal stage, the files are deleted with the stage and the files are not recoverable

When dropping an internal stage, only selected files are deleted with the stage and are not recoverable

NO.118 True or False: A customer using SnowSQL / native connectors will be unable be unable to able to also use the Snowflake Web interface (UI) unless access to the UI is explicitly granted by supported.

True

False

NO.119 Which of the following objects is not covered by Time Travel?

Tables

Schemas

Databases

Stages

NO.120 When should you consider disabling auto-suspend for a Virtual Warehouse? Choose 2 answers

When users will be using compute at different times throughout a 24/7 period

When managing a steady workload

When the compute must be available with no delay or lag time

When you don’t want to have to manually turn on the Warehouse each time a user needs it

NO.121 What is the purpose of using the OBJECT_CONSTRUCT function with me COPY INTO command?

Reorder the rows in a relational table and then unload the rows into a file

Convert the rows in a relational table lo a single VARIANT column and then unload the rows into a file.

Reorder the data columns according to a target table definition and then unload the rows into the table.

Convert the rows in a source file to a single variant column and then load the rows from the file to a variant table.

NO.122 Which of the following Snowflake objects can be shared using a secure share? (Select TWO).

Materialized views

Sequences

Procedures

Tables

Secure User Defined Functions (UDFs)

NO.123 When cloning a database containing stored procedures and regular views, that have fully qualified table references, which of the following will occur?

The cloned views and the stored procedures will reference the cloned tables in the cloned database.

An error will occur, as views with qualified references cannot be cloned.

An error will occur, as stored objects cannot be cloned.

The stored procedures and views will refer to tables in the source database.

NO.124 Which Snowflake objects track DML changes made to tables, like inserts, updates, and deletes?

Pipes

Streams

Tasks

Procedures

Explanation
https://dataterrain.com/how-to-change-tracking-using-table-streams-in-snowflake/#:~:text=A%20stream%20is%

NO.125 Which formats does Snowflake store unstructured data in? (Choose two.)

GeoJSON

Array

XML

Object

BLOB

NO.126 What is used to diagnose and troubleshoot network connections to Snowflake?

SnowCD

Snowpark

Snowsight

SnowSQL

NO.127 True or False: The COPY command must specify a File Format in order to execute.

True

False

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Snowflake New 2023 COF-C02 Sample Questions Reliable COF-C02 Test Engine [Q106-Q127]

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