The Ultimate Snowflake COF-C02 Dumps PDF Review [Q95-Q114]

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The Ultimate Snowflake COF-C02 Dumps PDF Review

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NO.95 Query parsing and compilation occurs in which architecture layer of the Snowflake Cloud Data Platform?

Cloud services layer

Compute layer

Storage layer

Cloud agnostic layer

NO.96 What is an advantage of using an explain plan instead of the query profiler to evaluate the performance of a query?

The explain plan output is available graphically.

An explain plan can be used to conduct performance analysis without executing a query.

An explain plan will handle queries with temporary tables and the query profiler will not.

An explain plan’s output will display automatic data skew optimization information.

NO.97 What happens to the underlying table data when a CLUSTER BY clause is added to a
Snowflake table?

Data is hashed by the cluster key to facilitate fast searches for common data values

Larger micro-partitions are created for common data values to reduce the number of partitions that must be scanned

Smaller micro-partitions are created for common data values to allow for more parallelism

Data may be colocated by the cluster key within the micro-partitions to improve pruning performance

NO.98 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.99 Which kind of Snowflake table stores file-level metadata for each file in a stage?

Directory

External

Temporary

Transient

NO.100 If 3 size Small virtual warehouse is made up of two servers, how many servers make up a Large warehouse?

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

NO.101 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?

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

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

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

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

NO.102 How can a row access policy be applied to a table or a view? (Choose two.)

Within the policy DDL

Within the create table or create view DDL

By future APPLY for all objects in a schema

Within a control table

Using the command ALTER <object> ADD ROW ACCESS POLICY <policy>;

NO.103 Which Snowflake feature will allow small volumes of data to continuously load into Snowflake and will incrementally make the data available for analysis?

COPY INTO

CREATE PIPE

INSERT INTO

TABLE STREAM

NO.104 A view is defined on a permanent table. A temporary table with the same name is created in the same schema as the referenced table. What will the query from the view return?

The data from the permanent table.

The data from the temporary table.

An error stating that the view could not be compiled.

An error stating that the referenced object could not be uniquely identified.

NO.105 Assume there is a table consisting of five micro-partitions with values ranging from A to Z.
Which diagram indicates a well-clustered table?

NO.106 Which of the following compute resources or features are managed by Snowflake? (Select TWO).

Execute a COPY command

Updating data

Snowpipe

AUTOMATIC__CLUSTERING

Scaling up a warehouse

NO.107 True or False: Data in Fail-safe can be deleted by a user or the Snowflake team before it expires.

True

False

NO.108 Which of the following are considerations when using a directory table when working with unstructured data?
(Choose two.)

A directory table is a separate database object.

Directory tables store data file metadata.

A directory table will be automatically added to a stage.

Directory tables do not have their own grantable privileges.

Directory table data can not be refreshed manually.

NO.109 What is used to diagnose and troubleshoot network connections to Snowflake?

SnowCD

Snowpark

Snowsight

SnowSQL

NO.110 Where would a Snowflake user find information about query activity from 90 days ago?

account__usage . query history view

account__usage.query__history__archive View

information__schema . cruery_history view

information__schema – query history_by_ses s i on view

NO.111 In a Snowflake role hierarchy, what is the top-level role?

SYSADMIN

ORGADMIN

ACCOUNTADMIN

SECURITYADMIN

NO.112 Which of the following are main sections of the top navigation of the Snowflake web Interface (UI)?

Database

Tables

Warehouses

Worksheets

NO.113 What is a responsibility of Snowflake’s virtual warehouses?

Infrastructure management

Metadata management

Query execution

Query parsing and optimization

Permanent storage of micro-partitions

NO.114 Which command sets the Virtual Warehouse for a session?

COPY WAREHOUSE FROM <<config file>>;

SET WAREHOUSE = <<warehouse name>>;

USE WAREHOUSE <<warehouse name>>;

USE VIRTUAL_WAREHOUSE <<warehouse name>>;

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The Ultimate Snowflake COF-C02 Dumps PDF Review [Q95-Q114]

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