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COF-C02 Exam Dumps - Snowflake SnowPro Core Certification Questions and Answers

Question # 144

What does an integration between Snowflake and Microsoft Private Link or AWS PrivateLink support?

Options:

A.

The isolation of data within a Snowflake account.

B.

The use of Secure Data Sharing among Snowflake accounts.

C.

A Virtual Private Network (VPN) between a user and Snowflake.

D.

A secure, direct connection to Snowflake that does not use the internet.

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Question # 145

A stream can be created on which Snowflake objects to record data manipulation language(DML) changes? (Select TWO).

Options:

A.

Database

B.

Standard tables

C.

Standard tables

D.

Standard views

E.

Schemas

F.

Pipes

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Question # 146

When unloading data with the COPY into command, what is the purpose of the PARTITION BY parameter option?

Options:

A.

To sort the contents of the output file by the specified expression.

B.

To delimit the records in the output file using the specified expression.

C.

To include a new column in the output using the specified window function expression.

D.

To split the output into multiple files, one for each distinct value of the specified expression.

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Question # 147

What object or service uses Change Data Capture (CDC) to record Data Manipulation Language (DML) changes made to tables?

Options:

A.

Task

B.

Stream

C.

Snowpipe

D.

Event Table

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Question # 148

How can network and private connectivity security be managed in Snowflake?

Options:

A.

By setting up network policies with IPv4 IP addresses

B.

By putting the Snowflake URL on the allowed list for get method responses

C.

By manually setting up vulnerability patch management policies

D.

By manually setting up an Intrusion Prevention System (IPS) on each account

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Question # 149

Which Snowflake objects can process staged files in parallel? (Select TWO)

Options:

A.

User-Defined Functions (UDFs)

B.

User-Defined Table Functions (UDTFs)

C.

Stored procedures

D.

Snowpipes

E.

Tasks

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Question # 150

When retrieving data from a table which type of query will benefit the MOST from use of the search optimization service?

Options:

A.

Queries with unpredictable data volumes.

B.

Queries with highly-selective table filters that return a small subset of rows.

C.

Queries on fields in a VARIANT column that will return all data as structured data.

D.

Queries that involve one or more columns inside the cluster key using the lowest cardinality to select filters.

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Question # 151

Which table function will automatically detect the file metadata schema for a set of staged semi-structured data files, and then retrieve the column definitions?

Options:

A.

VALIDATE

B.

INFER_SCHEMA

C.

SPLIT_TO_TABLE

D.

GET_OBJECT_REFERENCES

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Question # 152

Which function, when added to a select statement will return a randomly-selected, specified number of rows from a table?

Options:

A.

AVERAGE ROWS)

B.

MEDIAN< RONS)

C.

SAMPLE( ROWS)

D.

RANDOM( ROUS)

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Question # 153

What happens to the privileges granted to Snowflake system-defined roles?

Options:

A.

The privileges cannot be revoked.

B.

The privileges can be revoked by an ACCOUNTADMIN.

C.

The privileges can be revoked by an orgadmin.

D.

The privileges can be revoked by any user-defined role with appropriate privileges.

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Question # 154

A Snowflake user wants to design a series of transformations that need to be executed in a specific order on a given schedule.

Which of the snowflake objects should be used?

Options:

A.

Pipes

B.

Tasks

C.

Streams

D.

Sequences

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Question # 155

When unloading data, which combination of parameters should be used to differentiate between empty strings and NULL values? (Select TWO).

Options:

A.

ESCAPE_UNENCLOSED_FIELD

B.

REPLACE_INVALID_CHARACTERS

C.

FIELD_OPTIONALLY_ENCLOSED_BY

D.

EMPTY_FIELD_AS_NULL

E.

SKIP_BLANK_LINES

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Question # 156

Use of what parameter will allow files to be loaded even if the file metadata has expired?

Options:

A.

MATCH_BY_COLUMN_NAME = CASE_INSENSITIVE

B.

ENFORCE_LENGTH = TRUE

C.

PURGE = TRUE

D.

LOAD_UNCERTAIN_FILES = TRUE

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Question # 157

Authorization to execute CREATE statements comes only from which role?

Options:

A.

Primary role

B.

Secondary role

C.

Application role

D.

Database role

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