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SnowPro Core Recertification Exam Question and Answers

SnowPro Core Recertification Exam

Last Update Apr 25, 2024
Total Questions : 330

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Questions 1

Which of the following accurately describes shares?

Options:

A.  

Tables, secure views, and secure UDFs can be shared

B.  

Shares can be shared

C.  

Data consumers can clone a new table from a share

D.  

Access to a share cannot be revoked once granted

Discussion 0
Questions 2

The bulk data load history that is available upon completion of the COPY statement is stored where and for how long?

Options:

A.  

In the metadata of the target table for 14 days

B.  

In the metadata of the pipe for 14 days

C.  

In the metadata of the target table for 64 days

D.  

In the metadata of the pipe for 64 days

Discussion 0
Questions 3

Credit charges for Snowflake virtual warehouses are calculated based on which of the following considerations? (Choose two.)

Options:

A.  

The number of queries executed

B.  

The number of active users assigned to the warehouse

C.  

The size of the virtual warehouse

D.  

The length of time the warehouse is running

E.  

The duration of the queries that are executed

Discussion 0
Questions 4

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

Options:

A.  

GeoJSON

B.  

Array

C.  

XML

D.  

Object

E.  

BLOB

Discussion 0
Questions 5

Which of the following describes the Snowflake Cloud Services layer?

Options:

A.  

Coordinates activities in the Snowflake account

B.  

Executes queries submitted by the Snowflake account users

C.  

Manages quotas on the Snowflake account storage

D.  

Manages the virtual warehouse cache to speed up queries

Discussion 0
Questions 6

Snowflake supports the use of external stages with which cloud platforms? (Choose three.)

Options:

A.  

Amazon Web Services

B.  

Docker

C.  

IBM Cloud

D.  

Microsoft Azure Cloud

E.  

Google Cloud Platform

F.  

Oracle Cloud

Discussion 0
Questions 7

Which services does the Snowflake Cloud Services layer manage? (Choose two.)

Options:

A.  

Compute resources

B.  

Query execution

C.  

Authentication

D.  

Data storage

E.  

Metadata

Discussion 0
Questions 8

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

Discussion 0
Questions 9

Which statement describes how Snowflake supports reader accounts?

Options:

A.  

A reader account can consume data from the provider account that created it and combine it with its own data.

B.  

A consumer needs to become a licensed Snowflake customer as data sharing is only supported between Snowflake accounts.

C.  

The users in a reader account can query data that has been shared with the reader account and can perform DML tasks.

D.  

The SHOW MANAGED ACCOUNTS command will view all the reader accounts that have been created for an account.

Discussion 0
Questions 10

Which of the following are considerations when using a directory table when working with unstructured data? (Choose two.)

Options:

A.  

A directory table is a separate database object.

B.  

Directory tables store data file metadata.

C.  

A directory table will be automatically added to a stage.

D.  

Directory tables do not have their own grantable privileges.

E.  

Directory table data can not be refreshed manually.

Discussion 0
Questions 11

What is the minimum Snowflake edition that has column-level security enabled?

Options:

A.  

Standard

B.  

Enterprise

C.  

Business Critical

D.  

Virtual Private Snowflake

Discussion 0
Questions 12

Which of the following features are available with the Snowflake Enterprise edition? (Choose two.)

Options:

A.  

Database replication and failover

B.  

Automated index management

C.  

Customer managed keys (Tri-secret secure)

D.  

Extended time travel

E.  

Native support for geospatial data

Discussion 0
Questions 13

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

Discussion 0
Questions 14

Which of the following is an example of an operation that can be completed without requiring compute, assuming no queries have been executed previously?

Options:

A.  

SELECT SUM (ORDER_AMT) FROM SALES;

B.  

SELECT AVG(ORDER_QTY) FROM SALES;

C.  

SELECT MIN(ORDER_AMT) FROM SALES;

D.  

SELECT ORDER_AMT * ORDER_QTY FROM SALES;

Discussion 0
Questions 15

Which of the following activities consume virtual warehouse credits in the Snowflake environment? (Choose two.)

Options:

A.  

Caching query results

B.  

Running EXPLAIN and SHOW commands

C.  

Cloning a database

D.  

Running a custom query

E.  

Running COPY commands

Discussion 0
Questions 16

Which of the following statements describes a benefit of Snowflake’s separation of compute and storage?

(Choose all that apply.)

Options:

A.  

Growth of storage and compute are tightly coupled together

B.  

Storage expands without the requirement to add more compute

C.  

Compute can be scaled up or down without the requirement to add more storage

D.  

Multiple compute clusters can access stored data without contention

Discussion 0
Questions 17

True or False: Pipes can be suspended and resumed.

Options:

A.  

True

B.  

False

Discussion 0
Questions 18

True or False: A Virtual Warehouse consumes Snowflake credits even when inactive.

Options:

A.  

True

B.  

False

Discussion 0
Questions 19

Which of the following DML commands isn’t supported by Snowflake?

Options:

A.  

UPSERT

B.  

MERGE

C.  

UPDATE

D.  

TRUNCATE TABLE

Discussion 0
Questions 20

Which of the following are valid Snowflake Virtual Warehouse Scaling Policies? (Choose two.)

Options:

A.  

Custom

B.  

Economy

C.  

Optimized

D.  

Standard

Discussion 0
Questions 21

True or False: A table in Snowflake can only be queried using the Virtual Warehouse that was used to load the data.

Options:

A.  

True

B.  

False

Discussion 0
Questions 22

True or False: AWS Private Link provides a secure connection from the Customer’s on-premise data center to the Snowflake.

Options:

A.  

True

B.  

False

Discussion 0
Questions 23

Which of the following terms best describes Snowflake’s database architecture?

Options:

A.  

Columnar shared nothing

B.  

Shared disk

C.  

Multi-cluster, shared data

D.  

Cloud-native shared memory

Discussion 0
Questions 24

Which of the following statements are true of VALIDATION_MODE in Snowflake? (Choose two.)

Options:

A.  

The validation_mode option is used when creating an Internal Stage

B.  

validation_mode=return_all_errors is a parameter of the copy command

C.  

The validation_mode option will validate data to be loaded by the copy statement while completing the load and will return the rows that could not be loaded without error

D.  

The validation_mode option will validate data to be loaded by the copy statement without completing the load and will return possible errors

Discussion 0
Questions 25

True or False: Some queries can be answered through the metadata cache and do not require an active Virtual Warehouse.

Options:

A.  

True

B.  

False

Discussion 0
Questions 26

True or False: It is possible to unload structured data to semi-structured formats such as JSON and parquet.

Options:

A.  

True

B.  

False

Discussion 0
Questions 27

What is the minimum Snowflake edition that customers planning on storing protected information in Snowflake should consider for regulatory compliance?

Options:

A.  

Standard

B.  

Premier

C.  

Enterprise

D.  

Business Critical Edition

Discussion 0
Questions 28

What are the three layers that make up Snowflake’s architecture?

Choose 3 answer

Options:

A.  

Compute

B.  

Tri-Secret Secure

C.  

Storage

D.  

Cloud Services

Discussion 0
Questions 29

True or False: During data unloading, only JSON and CSV files can be compressed.

Options:

A.  

True

B.  

False

Discussion 0
Questions 30

Which of the following statements is true of Snowflake?

Options:

A.  

It was built specifically for the cloud

B.  

It was built as an on-premises solution and then ported to the cloud

C.  

It was designed as a hybrid database to allow customers to store data either on premises or in the cloud

D.  

It was built for Hadoop architecture

E.  

It's based on an Oracle Architecture

Discussion 0
Questions 31

Where would a Snowflake user find information about query activity from 90 days ago?

Options:

A.  

account__usage . query history view

B.  

account__usage.query__history__archive View

C.  

information__schema . cruery_history view

D.  

information__schema - query history_by_ses s i on view

Discussion 0
Questions 32

When reviewing a query profile, what is a symptom that a query is too large to fit into the memory?

Options:

A.  

A single join node uses more than 50% of the query time

B.  

Partitions scanned is equal to partitions total

C.  

An AggregateOperacor node is present

D.  

The query is spilling to remote storage

Discussion 0
Questions 33

Which statement about billing applies to Snowflake credits?

Options:

A.  

Credits are billed per-minute with a 60-minute minimum

B.  

Credits are used to pay for cloud data storage usage

C.  

Credits are consumed based on the number of credits billed for each hour that a warehouse runs

D.  

Credits are consumed based on the warehouse size and the time the warehouse is running

Discussion 0
Questions 34

What data is stored in the Snowflake storage layer? (Select TWO).

Options:

A.  

Snowflake parameters

B.  

Micro-partitions

C.  

Query history

D.  

Persisted query results

E.  

Standard and secure view results

Discussion 0
Questions 35

What is a best practice after creating a custom role?

Options:

A.  

Create the custom role using the SYSADMIN role.

B.  

Assign the custom role to the SYSADMIN role

C.  

Assign the custom role to the PUBLIC role

D.  

Add__CUSTOM to all custom role names

Discussion 0
Questions 36

What happens when a cloned table is replicated to a secondary database? (Select TWO)

Options:

A.  

A read-only copy of the cloned tables is stored.

B.  

The replication will not be successful.

C.  

The physical data is replicated

D.  

Additional costs for storage are charged to a secondary account

E.  

Metadata pointers to cloned tables are replicated

Discussion 0
Questions 37

What happens when a virtual warehouse is resized?

Options:

A.  

When increasing the size of an active warehouse the compute resource for all running and queued queries on the warehouse are affected

B.  

When reducing the size of a warehouse the compute resources are removed only when they are no longer being used to execute any current statements.

C.  

The warehouse will be suspended while the new compute resource is provisioned and will resume automatically once provisioning is complete.

D.  

Users who are trying to use the warehouse will receive an error message until the resizing is complete

Discussion 0
Questions 38

Which of the following are benefits of micro-partitioning? (Select TWO)

Options:

A.  

Micro-partitions cannot overlap in their range of values

B.  

Micro-partitions are immutable objects that support the use of Time Travel.

C.  

Micro-partitions can reduce the amount of I/O from object storage to virtual warehouses

D.  

Rows are automatically stored in sorted order within micro-partitions

E.  

Micro-partitions can be defined on a schema-by-schema basis

Discussion 0
Questions 39

Which of the following Snowflake objects can be shared using a secure share? (Select TWO).

Options:

A.  

Materialized views

B.  

Sequences

C.  

Procedures

D.  

Tables

E.  

Secure User Defined Functions (UDFs)

Discussion 0
Questions 40

Will data cached in a warehouse be lost when the warehouse is resized?

Options:

A.  

Possibly, if the warehouse is resized to a smaller size and the cache no longer fits.

B.  

Yes. because the compute resource is replaced in its entirety with a new compute resource.

C.  

No. because the size of the cache is independent from the warehouse size

D.  

Yes. became the new compute resource will no longer have access to the cache encryption key

Discussion 0
Questions 41

What is the MOST performant file format for loading data in Snowflake?

Options:

A.  

CSV (Unzipped)

B.  

Parquet

C.  

CSV (Gzipped)

D.  

ORC

Discussion 0
Questions 42

Which of the following commands cannot be used within a reader account?

Options:

A.  

CREATE SHARE

B.  

ALTER WAREHOUSE

C.  

DROP ROLE

D.  

SHOW SCHEMAS

E.  

DESCRBE TABLE

Discussion 0
Questions 43

What can be used to view warehouse usage over time? (Select Two).

Options:

A.  

The load HISTORY view

B.  

The Query history view

C.  

The show warehouses command

D.  

The WAREHOUSE_METERING__HISTORY View

E.  

The billing and usage tab in the Snowflake web Ul

Discussion 0
Questions 44

Which command is used to unload data from a Snowflake table into a file in a stage?

Options:

A.  

COPY INTO

B.  

GET

C.  

WRITE

D.  

EXTRACT INTO

Discussion 0
Questions 45

True or False: A 4X-Large Warehouse may, at times, take longer to provision than a X-Small Warehouse.

Options:

A.  

True

B.  

False

Discussion 0
Questions 46

What Snowflake features allow virtual warehouses to handle high concurrency workloads? (Select TWO)

Options:

A.  

The ability to scale up warehouses

B.  

The use of warehouse auto scaling

C.  

The ability to resize warehouses

D.  

Use of multi-clustered warehouses

E.  

The use of warehouse indexing

Discussion 0
Questions 47

A user is loading JSON documents composed of a huge array containing multiple records into Snowflake. The user enables the strip__outer_array file format option

What does the STRIP_OUTER_ARRAY file format do?

Options:

A.  

It removes the last element of the outer array.

B.  

It removes the outer array structure and loads the records into separate table rows,

C.  

It removes the trailing spaces in the last element of the outer array and loads the records into separate table columns

D.  

It removes the NULL elements from the JSON object eliminating invalid data and enables the ability to load the records

Discussion 0
Questions 48

Which of the following can be used when unloading data from Snowflake? (Choose two.)

Options:

A.  

When unloading semi-structured data, it is recommended that the STRIP_OUTER_ARRAY option be used.

B.  

Use the ENCODING file format option to change the encoding from the default UTF-8.

C.  

The OBJECT_CONSTRUCT function can be used to convert relational data to semi-structured data.

D.  

By using the SINGLE = TRUE parameter, a single file up to 5 GB in size can be exported to the storage layer.

E.  

Use the PARSE_JSON function to ensure structured data will be unloaded into the VARIANT data type.

Discussion 0
Questions 49

How does Snowflake allow a data provider with an Azure account in central Canada to share data with a data consumer on AWS in Australia?

Options:

A.  

The data provider in Azure Central Canada can create a direct share to AWS Asia Pacific, if they are both in the same organization.

B.  

The data consumer and data provider can form a Data Exchange within the same organization to create a share from Azure Central Canada to AWS Asia Pacific.

C.  

The data provider uses the GET DATA workflow in the Snowflake Data Marketplace to create a share between Azure Central Canada and AWS Asia Pacific.

D.  

The data provider must replicate the database to a secondary account in AWS Asia Pacific within the same organization then create a share to the data consumer's account.

Discussion 0