Instant Download Snowflake: COF-C02 Free Updated Test Dumps
Valid COF-C02 FREE EXAM DUMPS QUESTIONS & ANSWERS
Achieving the Snowflake COF-C02 certification demonstrates an individual's proficiency in using Snowflake to manage and analyze data. SnowPro Core Certification Exam certification is recognized and valued by organizations worldwide and can help individuals advance their careers in the data industry. SnowPro Core Certification Exam certification exam is available online, and interested individuals can register and schedule their exams through the Snowflake certification portal. Upon passing the exam, individuals will receive a digital badge and certificate, which they can use to showcase their achievement and expertise in Snowflake.
NEW QUESTION # 132
What is an advantage of using an explain plan instead of the query profiler to evaluate the performance of a query?
- A. The explain plan output is available graphically.
- B. An explain plan will handle queries with temporary tables and the query profiler will not.
- C. An explain plan can be used to conduct performance analysis without executing a query.
- D. An explain plan's output will display automatic data skew optimization information.
Answer: C
NEW QUESTION # 133
What file formats does Snowflake support for loading semi-structured data? (Choose three.)
- A. JSON
- B. Avro
- C. TSV
- D. PDF
- E. JPEG
- F. Parquet
Answer: A,B,F
NEW QUESTION # 134
What computer language can be selected when creating User-Defined Functions (UDFs) using the Snowpark API?
- A. SQL
- B. Python
- C. JavaScript
- D. Swift
Answer: B
NEW QUESTION # 135
How are serverless features billed?
- A. Serverless features are not billed, unless the total cost for the month exceeds 10% of the warehouse credits, on the account
- B. Per minute multiplied by an automatic sizing for the job, with a minimum of one minute
- C. Per second multiplied by an automatic sizing for the job
- D. Per second multiplied by the size, as determined by the SERVERLESS_FEATURES_SIZE account parameter
Answer: A
NEW QUESTION # 136
True or False: It is possible to unload structured data to semi-structured formats such as JSON and parquet.
- A. False
- B. True
Answer: B
NEW QUESTION # 137
How can a Snowflake user access a JSON object, given the following table? (Select TWO).
- A. SRC:salesperson.name
- B. SRC:salesperson.Name
- C. src:salesperson.Name
- D. src:salesperson.name
- E. src:sa1esPerson. name
Answer: A,E
NEW QUESTION # 138
A user created a transient table and made several changes to it over the course of several days. Three days after the table was created, the user would like to go back to the first version of the table.
How can this be accomplished?
- A. Use Time Travel, as long as DATA_RETENTION_TIME_IN_DAYS was set to at least 3 days.
- B. Contact Snowflake Support to have the data retrieved from Fail-safe storage.
- C. Use the FAIL_SAFE parameter for Time Travel to retrieve the data from Fail-safe storage.
- D. The transient table version cannot be retrieved after 24 hours.
Answer: D
NEW QUESTION # 139
What is the purpose of an External Function?
- A. To run a function in another Snowflake database
- B. To call code that executes outside of Snowflake
- C. To ingest data from on-premises data sources
- D. To share data in Snowflake with external parties
Answer: B
NEW QUESTION # 140
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 copied.
- B. The shared objects can be re-shared.
- C. The shared objects are transferred.
- D. The shared objects become accessible.
Answer: A
NEW QUESTION # 141
What happens when a virtual warehouse is resized?
- A. The warehouse will be suspended while the new compute resource is provisioned and will resume automatically once provisioning is complete.
- B. Users who are trying to use the warehouse will receive an error message until the resizing is complete
- C. 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.
- D. When increasing the size of an active warehouse the compute resource for all running and queued queries on the warehouse are affected
Answer: C
NEW QUESTION # 142
The Snowflake Search Optimization Services supports improved performance of which kind of query?
- A. Queries against a subset of columns in a table
- B. Queries against large tables where frequent DML occurs
- C. Selective point lookup queries
- D. Queries against tables larger than 1 TB
Answer: C
Explanation:
Reference:
https://docs.snowflake.com/en/user-guide/search-optimization-service.html#:~:text=The%20search%20optimiza
%20point,OBJECT%2C%20and%20ARRAY%20columns)
NEW QUESTION # 143
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. Google Authenticator
- B. Okta Verify
- C. Duo Mobile
- D. Microsoft Authenticator
Answer: C
Explanation:
https://docs.snowflake.com/en/user-guide/security-mfa.html
NEW QUESTION # 144
Which are true of Snowflake roles?
- A. In order to do DML/DOL, a user needs to have selected a single role that has that specific access to the object and operation
- B. The public role controls at other roles
- C. Roles are a subset of users and users own objects In Snowflake
- D. All grants to objects are given to roles, and never to users
Answer: A,D
NEW QUESTION # 145
Which feature allows a user the ability to control the organization of data in a micro-partition?
- A. Horizontal Partitioning
- B. Search Optimization Service
- C. Automatic Clustering
- D. Range Partitioning
Answer: A
NEW QUESTION # 146
A Snowflake user has been granted the create data EXCHANGE listing privilege with their role.
Which tasks can this user now perform on the Data Exchange? (Select TWO).
- A. Submit listings for approval/publishing.
- B. Delete provider profiles.
- C. Rename listings.
- D. Modify incoming listing access requests.
- E. Modify listings properties.
Answer: A,E
NEW QUESTION # 147
How should a virtual warehouse be configured if a user wants to ensure that additional multi-clusters are resumed with no delay?
- A. Set the minimum and maximum clusters to autoscale
- B. Use the economy warehouse scaling policy
- C. Configure the warehouse to a size larger than generally required
- D. Use the standard warehouse scaling policy
Answer: A
NEW QUESTION # 148
What role is required to use Partner Connect?
- A. SYSADMIN
- B. ORGADMIN
- C. SECURITYADMIN
- D. ACCOUNTADMIN
Answer: C
NEW QUESTION # 149
What is a machine learning and data science partner within the Snowflake Partner Ecosystem?
- A. Power Bl
- B. Informatica
- C. Adobe
- D. Data Robot
Answer: D
Explanation:
https://docs.snowflake.com/en/user-guide/ecosystem-analytics.html
NEW QUESTION # 150
Which of the following best describes where Snowflake's metadata is stored?
- A. Inside the Virtual Warehouses
- B. Within the data files
- C. within the drivers
- D. In the Cloud Services Layer
Answer: D
NEW QUESTION # 151
True or False: Each worksheet in the Snowflake Web Interface (UI) can be associated with different roles, databases, schemas, and Virtual Warehouses.
- A. False
- B. True
Answer: B
NEW QUESTION # 152
Which command should be used to load data from a file, located in an external stage, into a table in Snowflake?
- A. PUT
- B. GET
- C. INSERT
- D. COPY
Answer: D
NEW QUESTION # 153
Which command can be used to load data into an internal stage?
- A. copy
- B. PUT
- C. GET
- D. LOAD
Answer: B
Explanation:
https://medium.com/@divyanshsaxenaofficial/snowflake-loading-unloading-of-data-part-1-internal-stages-7121cc3cc9
NEW QUESTION # 154
Which columns are part of the result set of the Snowflake LATERAL FLATTEN command? (Choose two.)
- A. BYTE_SIZE
- B. INDEX
- C. PATH
- D. DATATYPE
- E. CONTENT
Answer: A,C
NEW QUESTION # 155
True or False: Loading data into Snowflake requires that source data files be no larger than 16MB.
- A. False
- B. True
Answer: A
Explanation:
Explanation
By default, COPY INTO location statements separate table data into a set of output files to take advantage of parallel operations. The maximum size for each file is set using the MAX_FILE_SIZE copy option. The default value is 16777216 (16 MB) but can be increased to accommodate larger files. The maximum file size supported is 5 GB for Amazon S3, Google Cloud Storage, or Microsoft Azure stages. To unload data to a single output file (at the potential cost of decreased performance), specify the SINGLE = true copy option in your statement. You can optionally specify a name for the file in the path.
NEW QUESTION # 156
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