[2024] Pass COF-C02 Exam - Real Questions and Answers
COF-C02 Exam Questions Get Updated [2024] with Correct Answers
To prepare for the SnowPro Core Certification Exam, candidates can take advantage of Snowflake's official training courses and documentation. These resources cover all of the topics on the exam and provide practical examples of how to use Snowflake to solve real-world problems. In addition, the SnowPro certification program offers practice exams and study guides to help candidates prepare for the exam. Passing the SnowPro Core Certification Exam is a significant achievement for any data professional who works with Snowflake, as it demonstrates a deep understanding of the platform's core concepts and the ability to use it effectively to solve complex data challenges.
Snowflake COF-C02 certification exam is a valuable tool for professionals who want to demonstrate their expertise in Snowflake's data warehousing platform. COF-C02 exam is designed to test the candidate's ability to design, build, and manage data warehouses using Snowflake's technology. COF-C02 exam is divided into four sections: Architecture and Administration, Performance Optimization and Scaling, Data Modeling, and Querying and Optimization. Candidates must pass all four sections to earn the SnowPro Core Certification.
NEW QUESTION # 168
What can be used to view warehouse usage over time? (Select Two).
- A. The load HISTORY view
- B. The Query history view
- C. The show warehouses command
- D. The billing and usage tab in the Snowflake web Ul
- E. The WAREHOUSE_METERING__HISTORY View
Answer: D,E
NEW QUESTION # 169
When unloading data to an external stage, what is the MAXIMUM file size supported?
- A. 16 GB
- B. 1 GB
- C. 10 GB
- D. 5 GB
Answer: D
NEW QUESTION # 170
True or False: A table in Snowflake can only be queried using the Virtual Warehouse that was used to load the
data.
- A. False
- B. True
Answer: A
NEW QUESTION # 171
When can a Virtual Warehouse start running queries?
- A. After replication
- B. When its provisioning is complete
- C. Only during administrator defined time slots
- D. 12am-5am
Answer: B
NEW QUESTION # 172
If a virtual warehouse runs for 61 seconds, shut down, and then restart and runs for 30 seconds, for how many seconds is it billed?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 173
Snowflake users can create a resource monitor at which levels? (Select TWO).
- A. Cloud services level
- B. Account level
- C. Virtual warehouse level
- D. Pipe level
- E. User level
Answer: B,C
NEW QUESTION # 174
What is the minimum Snowflake edition that provides data sharing?
- A. Standard
- B. Enterprise
- C. Premier
- D. Business Critical Edition
Answer: A
NEW QUESTION # 175
When referring to User-Defined Function (UDF) names in Snowflake, what does the term overloading mean?
- A. There are multiple SQL UDFs with the same names but with a different number of arguments or argument types.
- B. There are multiple SQL UDFs with different names but the same number of arguments or argument types.
- C. There are multiple SOL UDFs with the same names and the same number of arguments.
- D. There are multiple SQL UDFs with the same names and the same number of argument types.
Answer: A
NEW QUESTION # 176
Which function is used to convert rows in a relational table to a single VARIANT column?
- A. ARRAY_AGG
- B. OBJECT_AGG
- C. OBJECT_CONSTRUCT
- D. ARRAY_CONSTRUCT
Answer: C
NEW QUESTION # 177
What happens to the underlying table data when a CLUSTER BY clause is added to a Snowflake table?
- A. Larger micro-partitions are created for common data values to reduce the number of partitions that must be scanned
- B. Data is hashed by the cluster key to facilitate fast searches for common data values
- C. Data may be colocated by the cluster key within the micro-partitions to improve pruning performance
- D. Smaller micro-partitions are created for common data values to allow for more parallelism
Answer: C
NEW QUESTION # 178
Which of the following statements would be used to export/unload data from Snowflake?
- A. EXPORT TO @stage
- B. INSERT INTO @stage
- C. EXPORT_TO_STAGE (stage = > @Wage, select = > 'select * from t1);
- D. COPY INTO @stage
Answer: D
NEW QUESTION # 179
A user has an application that writes a new Tile to a cloud storage location every 5 minutes.
What would be the MOST efficient way to get the files into Snowflake?
- A. Create a task that runs a GET operation to intermittently check for new files
- B. Create a task that puts the files in an internal stage and automate the data loading wizard
- C. Set up cloud provider notifications on the Tile location and use Snowpipe with auto-ingest
- D. Create a task that runs a copy into operation from an external stage every 5 minutes
Answer: C
Explanation:
https://docs.snowflake.com/en/user-guide/data-load-snowpipe-intro.html
NEW QUESTION # 180
What happens to the shared objects for users in a consumer account from a share, once a database has been created in that account?
- A. The shared objects are transferred.
- B. The shared objects become accessible.
- C. The shared objects are copied.
- D. The shared objects can be re-shared.
Answer: C
NEW QUESTION # 181
What data is stored in the Snowflake storage layer? (Select TWO).
- A. Query history
- B. Standard and secure view results
- C. Persisted query results
- D. Micro-partitions
- E. Snowflake parameters
Answer: C,D
NEW QUESTION # 182
What consideration should be made when loading data into Snowflake?
- A. Create large data files to maximize the processing overhead for each file.
- B. The number of data files that are processed in parallel is determined by the virtual warehouse.
- C. The number of load operations That run in parallel can exceed the number of data files to be loaded.
- D. Create small data files and stage them in cloud storage frequently.
Answer: B
NEW QUESTION # 183
Which services does the Snowflake Cloud Services layer manage? (Select TWO).
- A. Compute resources
- B. Data storage
- C. Query execution
- D. Authentication
- E. Metadata
Answer: D,E
Explanation:
https://docs.snowflake.com/en/user-guide/intro-key-concepts.html
The cloud services layer is a collection of services that coordinate activities across Snowflake. These services tie together all of the different components of Snowflake in order to process user requests, from login to query dispatch. The cloud services layer also runs on compute instances provisioned by Snowflake from the cloud provider.
Services managed in this layer include:
Authentication
Infrastructure management
Metadata management
Query parsing and optimization
Access control
NEW QUESTION # 184
What is the MINIMUM permission needed to access a file URL from an external stage?
- A. SELECT
- B. READ
- C. MODIFY
- D. USAGE
Answer: B
NEW QUESTION # 185
A user needs to create a materialized view in the schema MYDB.MYSCHEM A.
Which statements will provide this access?
- A. GRANT ROLE MYROLE TO USER USER1;
GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO USER USER1; - B. GRANT ROLE MYROLE TO USER USER1;
GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO MYROLE; - C. GRANT ROLE MYROLE TO USER USER1;
GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB. K"-'SCHEMA TO USER! ; - D. GRANT ROLE MYROLE TO USER USER1;
GRANT CREATE MATERIALIZED VIEW ON SCHEMA MYDB.MYSCHEMA TO ROLE MYROLE;
Answer: D
NEW QUESTION # 186
which of the following are valid approaches to loading data into a snowflake table? select all the below that apply.
- A. Continuous load using Snowpipe REST API
- B. The Snowflake Web Interface (UT) data loading wizard
- C. Bulk copy from an Internal Stage
- D. Bulk copy from an External Stage
Answer: A,B,D
NEW QUESTION # 187
Which role has the ability to create a share from a shared database by default?
- A. ORGADMIN
- B. SECURITYADMIN
- C. ACCOUNTADMIN
- D. SYSADMIN
Answer: C
NEW QUESTION # 188
Which of the following objects can be shared through secure data sharing?
- A. External table
- B. Stored procedure
- C. Masking policy
- D. Task
Answer: A
NEW QUESTION # 189
A company strongly encourages all Snowflake users to self-enroll in Snowflake's default Multi-Factor Authentication (MFA) service to provide increased login security for users connecting to Snowflake.
Which application will the Snowflake users need to install on their devices in order to connect with MFA?
- A. Duo Mobile
- B. Okta Verify
- C. Google Authenticator
- D. Microsoft Authenticator
Answer: A
Explanation:
https://docs.snowflake.com/en/user-guide/security-mfa.html
NEW QUESTION # 190
True or False: Users are able to see the result sets of queries executed by other users that share their same role.
- A. False
- B. True
Answer: A
NEW QUESTION # 191
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