Pass the Snowflake SnowPro Core Certification COF-R02 Questions and answers with CertsForce

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Viewing questions 91-100 out of questions
Questions # 91:

How does Snowflake Fail-safe protect data in a permanent table?

Options:

A.

Fail-safe makes data available up to 1 day, recoverable by user operations.


B.

Fail-safe makes data available for 7 days, recoverable by user operations.


C.

Fail-safe makes data available for 7 days, recoverable only by Snowflake Support.


D.

Fail-safe makes data available up to 1 day, recoverable only by Snowflake Support.


Expert Solution
Questions # 92:

What is cached during a query on a virtual warehouse?

Options:

A.

All columns in a micro-partition


B.

Any columns accessed during the query


C.

The columns in the result set of the query


D.

All rows accessed during the query


Expert Solution
Questions # 93:

What is the minimum Snowflake edition required to use Dynamic Data Masking?

Options:

A.

Standard


B.

Enterprise


C.

Business Critical


D.

Virtual Private Snowflake (VPC)


Expert Solution
Questions # 94:

Which minimum Snowflake edition allows for a dedicated metadata store?

Options:

A.

Standard


B.

Enterprise


C.

Business Critical


D.

Virtual Private Snowflake


Expert Solution
Questions # 95:

What are the correct parameters for time travel and fail-safe in the Snowflake Enterprise Edition?

Options:

A.

Default Time Travel Retention is set to 0 days.

Maximum Time Travel Retention is 30 days.

Fail Safe retention time is 1 day.


B.

Default Time Travel Retention is set to 1 day.

Maximum Time Travel Retention is 365 days.

Fail Safe retention time is 7 days.


C.

Default Time Travel Retention is set to 0 days.

Maximum Time Travel Retention is 90 days.

Fail Safe retention time is 7 days.


D.

Default Time Travel Retention is set to 1 day.

Maximum Time Travel Retention is 90 days.

Fail Safe retention time is 7 days.


E.

Default Time Travel Retention is set to 7 days.

Maximum Time Travel Retention is 1 day.

Fail Safe retention time is 90 days.


F.

Default Time Travel Retention is set to 90 days.

Maximum Time Travel Retention is 7 days.

Fail Safe retention time is 356 days.


Expert Solution
Questions # 96:

Which parameter can be used to instruct a COPY command to verify data files instead of loading them into a specified table?

Options:

A.

STRIP_NULL_VALUES


B.

SKIP_BYTE_ORDER_MARK


C.

REPLACE_INVALID_CHARACTERS


D.

VALIDATION_MODE


Expert Solution
Questions # 97:

Which Snowflake layer is always leveraged when accessing a query from the result cache?

Options:

A.

Metadata


B.

Data Storage


C.

Compute


D.

Cloud Services


Expert Solution
Questions # 98:

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?

Options:

A.

Use auto-ingest Snowpipes to load large files in a serverless model.


B.

Produce the largest files possible, reducing the overall number of files to process.


C.

Produce a larger number of smaller files and process the ingestion with size Small virtual warehouses.


D.

Use an external tool to issue batched row-by-row inserts within BEGIN TRANSACTION and COMMIT commands.


Expert Solution
Questions # 99:

Which formats does Snowflake store unstructured data in? (Choose two.)

Options:

A.

GeoJSON


B.

Array


C.

XML


D.

Object


E.

BLOB


Expert Solution
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