Snowflake COF-C02 Questions and Answers Guarantee you Oass the Test Easily
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The SnowPro Core Certification exam is intended for professionals who work with Snowflake's cloud data platform, including data architects, data engineers, data analysts, and data scientists. COF-C02 exam covers topics such as Snowflake's architecture, data loading, data modeling, data security, and data warehousing. Candidates who pass COF-C02 exam will have a deep understanding of Snowflake's capabilities and how to utilize them in real-world scenarios.
Snowflake COF-C02 (SnowPro Core Certification) Certification Exam is an important credential for professionals who work with Snowflake. COF-C02 exam covers a range of topics related to Snowflake's functionality, features, and best practices, and passing the exam demonstrates a high level of proficiency in the platform. By earning the certification, professionals can increase their job opportunities, earn higher salaries, and stay up-to-date with the latest Snowflake features and best practices.
Snowflake COF-C02 (SnowPro Core Certification) Certification Exam is designed to test an individual's knowledge and proficiency with the Snowflake data platform. Snowflake is a cloud-based data warehousing and analytics platform that allows organizations to store, manage, and analyze large amounts of data in the cloud. The SnowPro Core Certification Exam is an essential step for data professionals who want to demonstrate their expertise in Snowflake and advance their careers.
NEW QUESTION # 80
What is the recommended way to change the existing file format type in my format from CSV to JSON?
- A. REPLACE FILE FORMAT my format TYPE-JSON;
- B. ALTER FILE FORMAT my_format SET TYPE=JSON;
- C. ALTER FILE FORMAT my format SWAP TYPE WITH JSON;
- D. CREATE OR REPLACE FILE FORMAT my format TYPE-JSON;
Answer: D
NEW QUESTION # 81
Which statements are correct concerning the leveraging of third-party data from the Snowflake Data Marketplace? (Choose two.)
- A. Data is available without copying or moving.
- B. Data is live, ready-to-query, and can be personalized.
- C. Data transformations are required when combining Data Marketplace datasets with existing data in Snowflake.
- D. Data needs to be loaded into a cloud provider as a consumer account.
- E. Data is not available for copying or moving to an individual Snowflake account.
Answer: A,B
NEW QUESTION # 82
Which of the following are options when creating a Virtual Warehouse?
- A. Auto-resume
- B. Auto-suspend
- C. User count
- D. Local SSD size
Answer: A,B
NEW QUESTION # 83
How would you determine the size of the virtual warehouse used for a task?
- A. Since task infrastructure is based on running the task body on schedule, it's recommended to configure the virtual warehouse for automatic concurrency handling using Multi-cluster warehouse (MCW) to match the task schedule
- B. Querying (select) the size of the stream content would help determine the warehouse size. For example, if querying large stream content, use a larger warehouse size
- C. If using the stored procedure to execute multiple SQL statements, it's best to test run the stored procedure separately to size the compute resource first
- D. Root task may be executed concurrently (i.e. multiple instances), it is recommended to leave some margins in the execution window to avoid missing instances of execution
Answer: C
NEW QUESTION # 84
Which of the following are common use cases for zero-copy cloning? Choose 3 answers
- A. Quick provisioning of Dev and Test/QA environments
- B. Performance optimization
- C. Data backups
- D. Point in time snapshots
Answer: A,C,D
NEW QUESTION # 85
How can a row access policy be applied to a table or a view? (Choose two.)
- A. By future APPLY for all objects in a schema
- B. Within the create table or create view DDL
- C. Using the command ALTER <object> ADD ROW ACCESS POLICY <policy>;
- D. Within the policy DDL
- E. Within a control table
Answer: B,E
NEW QUESTION # 86
Which data type can store more than one type of data structure?
- A. VARCHAR
- B. JSON
- C. VARIANT
- D. BINARY
Answer: C
NEW QUESTION # 87
What are best practice recommendations for using the ACCOUNTADMIN system-defined role in Snowflake?
(Choose two.)
- A. Ensure all ACCOUNTADMIN roles use Multi-factor Authentication (MFA).
- B. All users granted ACCOUNTADMIN role must be owned by the ACCOUNTADMIN role.
- C. All users granted ACCOUNTADMIN role must also be granted SECURITYADMIN role.
- D. The ACCOUNTADMIN role must be granted to only one user.
- E. Assign the ACCOUNTADMIN role to at least two users, but as few as possible.
Answer: A,E
NEW QUESTION # 88
Which Snowflake architectural layer is responsible for a query execution plan?
- A. Data storage
- B. Cloud services
- C. Compute
- D. Cloud provider
Answer: D
NEW QUESTION # 89
True or False: You can define multiple columns within a clustering key on a table.
- A. True
- B. False
Answer: A
NEW QUESTION # 90
Which of the following describes how clustering keys work in Snowflake?
- A. Clustering keys create a distributed, parallel data structure of pointers to a table's rows and columns
- B. Clustering keys establish a hashed key on each node of a virtual warehouse to optimize joins at run-time
- C. Clustering keys update the micro-partitions in place with a full sort, and impact the DML operations.
- D. Clustering keys sort the designated columns over time, without blocking DML operations
Answer: D
NEW QUESTION # 91
When a Pipe is recreated using the CREATE OR REPLACE PIPE command:
- A. All of the above
- B. Previously loaded files will be ignored
- C. The Pipe load history is reset to empty
- D. The REFRESH parameter is set to TRUE
Answer: C
NEW QUESTION # 92
Which parameter can be used to instruct a COPY command to verify data files instead of loading them into a specified table?
- A. REPLACE_INVALID_CHARACTERS
- B. VALIDATION_MODE
- C. SKIP_BYTE_ORDER_MARK
- D. STRIP_NULL_VALUES
Answer: B
Explanation:
https://docs.snowflake.com/en/sql-reference/sql/copy-into-table.html
VALIDATION_MODE = RETURN_n_ROWS | RETURN_ERRORS | RETURN_ALL_ERRORS
String (constant) that instructs the COPY command to validate the data files instead of loading them into the specified table; i.e. the COPY command tests the files for errors but does not load them. The command validates the data to be loaded and returns results based on the validation option specified:
NEW QUESTION # 93
A company needs to allow some users to see Personally Identifiable Information (PII) while limiting other users from seeing the full value of the PII.
Which Snowflake feature will support this?
- A. Data masking policies
- B. Data encryption
- C. Row access policies
- D. Role based access control
Answer: A
NEW QUESTION # 94
Network policies can be set at which Snowflake levels? (Choose two.)
- A. Database
- B. Schema
- C. Account
- D. User
- E. Role
- F. Tables
Answer: C,D
Explanation:
Reference: https://docs.snowflake.com/en/user-guide/network-policies.html#creating-network-policies
NEW QUESTION # 95
What is the minimum Snowflake edition needed for database failover and fail-back between Snowflake accounts for business continuity and disaster recovery?
- A. Business Critical
- B. Virtual Private Snowflake
- C. Enterprise
- D. Standard
Answer: C
NEW QUESTION # 96
How does Snowflake handle the bulk unloading of data into single or multiple files?
- A. It assigns each unloaded data file a unique name.
- B. It uses the put command to download the data by default.
- C. It uses COPY INTO <location> to copy the data from a table into one or more files in an external stage only.
- D. It uses COPY INTO <location> for bulk unloading where the default option is SINGLE - TRUE.
Answer: A
NEW QUESTION # 97
What do the terms scale up and scale out refer to in Snowflake? (Choose two.)
- A. Scaling out adds clusters of the same size to a virtual warehouse to handle more concurrent queries.
- B. Scaling out adds additional database servers to an existing running cluster to handle more concurrent queries.
- C. Scaling up adds additional database servers to an existing running cluster to handle larger workloads.
- D. Snowflake recommends using both scaling up and scaling out to handle more concurrent queries.
- E. Scaling up resizes a virtual warehouse so it can handle more complex workloads.
- F. Scaling out adds clusters of varying sizes to a virtual warehouse.
Answer: A,E
NEW QUESTION # 98
True or False: When you create a custom role, it is a best practice to immediately grant that role to ACCOUNTADMIN.
- A. True
- B. False
Answer: B
Explanation:
Reference: https://docs.snowflake.com/en/user-guide/security-access-control-considerations.html
NEW QUESTION # 99
Credit Consumption by the Compute Layer (Virtual Warehouses) is based on: (Choose two.)
- A. Warehouse size
- B. Number of users
- C. Amount of data processed
- D. # of clusters for the Warehouse
Answer: A,D
NEW QUESTION # 100
Which Snowflake feature is used for both querying and restoring data?
- A. Cluster keys
- B. Fail-safe
- C. Cloning
- D. Time Travel
Answer: D
Explanation:
https://docs.snowflake.com/en/user-guide/data-availability.html#:~:text=Snowflake%20provides%20powerful%20CDP%20features,days%20through%20Snowflake%20Time%20Travel.
NEW QUESTION # 101
The fail-safe retention period is how many days?
- A. 45 days
- B. 7 days
- C. 1 day
- D. 90 days
Answer: B
Explanation:
Reference: https://docs.snowflake.com/en/user-guide/data-failsafe.html
NEW QUESTION # 102
The number of queries that a Virtual Warehouse can concurrently process is determined by: Choose 2 answers
- A. The tool that s executing the query
- B. The size of the data required for each query
- C. The complexity of each query
- D. The CONCURRENT_QUERY_UMIT parameter set on the Snowflake account
Answer: B,C
NEW QUESTION # 103
True or False: A Virtual Warehouse can be resized while suspended.
- A. True
- B. False
Answer: A
Explanation:
Reference:
https://docs.snowflake.com/en/user-guide/warehouses-tasks.html#effects-of-resizing-a-suspended-warehouse
NEW QUESTION # 104
True or False: When you create a custom role, it is a practice to immediately grant that role
to ACCOUNTADMIN.
- A. True
- B. False
Answer: B
NEW QUESTION # 105
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