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Updated Exam COF-C02 Dumps with New Questions
Snowflake COF-C02 certification exam is a comprehensive test that evaluates the candidate's knowledge of Snowflake's core concepts, including data warehousing, data modeling, and data loading. COF-C02 exam also tests the candidate's understanding of Snowflake's administration and security features, such as user management, access control, and data protection. Additionally, the exam covers Snowflake's integration capabilities, including connecting to other data sources and tools.
Snowflake COF-C02 (SnowPro Core Certification) Exam is a certification program offered by Snowflake Computing, a cloud-based data warehousing and analytics company. COF-C02 exam is designed for professionals who want to establish their expertise in Snowflake technology and demonstrate their ability to design, configure, and manage Snowflake solutions. SnowPro Core Certification Exam certification exam covers a range of topics, including data warehousing, data modeling, Snowflake architecture, and data pipelines.
Snowflake COF-C02 (SnowPro Core Certification) Certification Exam is a challenging exam that requires a deep understanding of Snowflake's core features. COF-C02 exam consists of 60 multiple-choice questions that must be completed within 90 minutes. The questions are designed to test a candidate's knowledge of Snowflake architecture, data loading and unloading, data warehousing, and data management. COF-C02 exam is administered online and can be taken from anywhere in the world.
NEW QUESTION # 249
What is the minimum Snowflake edition that has column-level security enabled?
- A. Standard
- B. Enterprise
- C. Virtual Private Snowflake
- D. Business Critical
Answer: B
Explanation:
Column-level security, which allows for the application of masking policies to columns in tables or views, is available starting from the Enterprise edition of Snowflake1.
Reference = [COF-C02] SnowPro Core Certification Exam Study Guide, Snowflake Documentation1
NEW QUESTION # 250
Which privilege is needed for a SnowFlake user to see the definition of a secure view?
- A. CREATE
- B. MODIFY
- C. USAGE
- D. OWNERSHIP
Answer: D
NEW QUESTION # 251
What is used to diagnose and troubleshoot network connections to Snowflake?
- A. SnowSQL
- B. Snowsight
- C. Snowpark
- D. SnowCD
Answer: D
NEW QUESTION # 252
What is the purpose of a Query Profile?
- A. To profile how many times a particular query was executed and analyze its u^age statistics over time.
- B. To profile the user and/or executing role of a query and all privileges and policies applied on the objects within the query.
- C. To profile a particular query to understand the mechanics of the query, its behavior, and performance.
- D. To profile which queries are running in each warehouse and identify proper warehouse utilization and sizing for better performance and cost balancing.
Answer: C
Explanation:
The purpose of a Query Profile is to provide a detailed analysis of a particular query's execution plan, including the mechanics, behavior, and performance. It helps in identifying potential performance bottlenecks and areas for optimization
NEW QUESTION # 253
What are the three things customers want most from their enterprise data warehouse solution? Choose 3 answers
- A. Open source based
- B. On-premise availability
- C. Performance
- D. Simplicity
- E. Concurrency
Answer: C,D,E
NEW QUESTION # 254
Which of the following are benefits of micro-partitioning? (Select TWO)
- A. Micro-partitions cannot overlap in their range of values
- B. Micro-partitions are immutable objects that support the use of Time Travel.
- C. Rows are automatically stored in sorted order within micro-partitions
- D. Micro-partitions can reduce the amount of I/O from object storage to virtual warehouses
- E. Micro-partitions can be defined on a schema-by-schema basis
Answer: A,C
Explanation:
https://docs.snowflake.com/en/user-guide/tables-clustering-micropartitions.html
NEW QUESTION # 255
Which data types are supported by Snowflake when using semi-structured data? (Choose two.)
- A. QUEUE
- B. ARRAY
- C. VARIANT
- D. STRUCT
- E. VARRAY
Answer: B,C
NEW QUESTION # 256
In which layer of its architecture does Snowflake store its metadata statistics?
- A. Database Layer
- B. Cloud Service Layer
- C. Compute Layer
- D. Storage Layer
Answer: B
NEW QUESTION # 257
What are two ways to create and manage Data Shares in Snowflake? (Choose two.)
- A. Via the Snowflake Web Interface (Ul)
- B. Via Virtual Warehouses
- C. Via the data_share=true parameter
- D. Via SQL commands
Answer: A,D
Explanation:
In Snowflake, Data Shares can be created and managed in two primary ways:
* Via the Snowflake Web Interface (UI): Users can create and manage shares through the graphical interface provided by Snowflake, which allows for a user-friendly experience.
* Via SQL commands: Snowflake also allows the creation and management of shares using SQL commands. This method is more suited for users who prefer scripting or need to automate the process.
Reference: https://docs.snowflake.com/en/user-guide/data-sharing-provider.html
NEW QUESTION # 258
What activities can a user with the ORGADMIN role perform? (Select TWO).
- A. Create an account for an organization.
- B. Select all the data in tables for all accounts in an organization.
- C. View usage information for all accounts in an organization.
- D. Delete the account data for an organization.
- E. Edit the account data for an organization.
Answer: A,C
Explanation:
The ORGADMIN role in Snowflake is an organizational-level role that provides administrative capabilities across the entire organization, rather than being limited to a single Snowflake account. Users with this role can:
A . Create an account for an organization: The ORGADMIN role has the privilege to create new Snowflake accounts within the organization, allowing for the expansion and management of the organization's resources.
D . View usage information for all accounts in an organization: This role also has access to comprehensive usage and activity data across all accounts within the organization. This is crucial for monitoring, cost management, and optimization at the organizational level.
Reference:
Snowflake Documentation: Understanding Role-Based Access Control
NEW QUESTION # 259
Which formats does Snowflake store unstructured data in? (Choose two.)
- A. Object
- B. GeoJSON
- C. Array
- D. BLOB
- E. XML
Answer: B,E
Explanation:
Snowflake supports storing unstructured data and provides native support for semi-structured file formats such as JSON, Avro, Parquet, ORC, and XML1. GeoJSON, being a type of JSON, and XML are among the formats that can be stored in Snowflake. Reference: [COF-C02] SnowPro Core Certification Exam Study Guide
NEW QUESTION # 260
True or False: A 4X-Large Warehouse may, at times, take longer to provision than a X-Small Warehouse.
- A. False
- B. True
Answer: B
Explanation:
Explanation
You can experiment the same with snowflake UI.
NEW QUESTION # 261
What is it called when a customer managed key is combined with a Snowflake managed key to create a composite key for encryption?
- A. Client-side encryption
- B. Hierarchical key model
- C. Key pair authentication
- D. Tri-secret secure encryption
Answer: D
Explanation:
Tri-secret secure encryption is a security model employed by Snowflake that involves combining a customer-managed key with a Snowflake-managed key to create a composite key for encrypting data. This model enhances data security by requiring both the customer-managed key and the Snowflake-managed key to decrypt data, thus ensuring that neither party can access the data independently. It represents a balanced approach to key management, leveraging both customer control and Snowflake's managed services for robust data encryption.
References:
* Snowflake Documentation: Encryption and Key Management
NEW QUESTION # 262
Which function can be used to convert semi-structured data into rows and columns?
- A. JSON EXTRACT PATH TEXT
- B. PARSE_JSON
- C. TABLE
- D. FLATTEN
Answer: D
Explanation:
To convert semi-structured data into rows and columns in Snowflake, the FLATTEN function is utilized.
FLATTEN Function: This function takes semi-structured data (e.g., JSON) and transforms it into a relational table format by breaking down nested structures into individual rows. This process is essential for querying and analyzing semi-structured data using standard SQL operations.
Example Usage:
SELECT
f.value:attribute1 AS attribute1,
f.value:attribute2 AS attribute2
FROM
my_table,
LATERAL FLATTEN(input => my_table.semi_structured_column) f;
Reference:
Snowflake Documentation on FLATTEN
NEW QUESTION # 263
A Snowflake user needs to share unstructured data from an internal stage to a reporting tool that does not have Snowflake access.
Which file function should be used?
- A. BUILD_SCOPED_FILE_URL
- B. BUILD_STAGE_FILE_URL
- C. GET STAGE LOCATION
- D. GET_PRESIGNED_URL
Answer: D
Explanation:
The GET_PRESIGNED_URL function in Snowflake generates a presigned URL for a file stored in an internal stage, allowing direct access to the file without requiring Snowflake access. This feature is particularly useful for sharing unstructured data with external applications or tools that do not have direct access to Snowflake.
The presigned URL provides temporary access to the file, making it an ideal solution for securely sharing unstructured data from an internal stage with a reporting tool or any other external application.
References:
* Snowflake Documentation: Generating Presigned URLs
NEW QUESTION # 264
Which statistics on a Query Profile reflect the efficiency of the query pruning? (Select TWO).
- A. Bytes written
- B. Partitions scanned
- C. Bytes spilled
- D. Partitions total
- E. Bytes scanned
Answer: B,E
Explanation:
In a Snowflake Query Profile, the statistics "Partitions scanned" and "Bytes scanned" reflect the efficiency of query pruning. Query pruning refers to the ability of the query engine to skip unnecessary data, thereby reducing the amount of data that needs to be processed. Efficient pruning results in fewer partitions and bytes being scanned, improving query performance.
Reference:
Snowflake Documentation: Understanding Query Profiles
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NEW QUESTION # 265
A user with which privileges can create or manage other users in a Snowflake account? (Select TWO).
- A. MODIFY
- B. CREATE USER
- C. SELECT
- D. OWNERSHIP
- E. GRANT
Answer: B,D
Explanation:
A user with the OWNERSHIP privilege on a user object or the CREATE USER privilege on the account can create or manage other users in a Snowflake account56.
NEW QUESTION # 266
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