Ultimate Guide to the COF-C02 - Latest Mar 19, 2024 Edition Available Now
2024 Updated Verified Pass COF-C02 Exam - Real Questions and Answers
Snowflake COF-C02 Exam Syllabus Topics:
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The SnowPro Core Certification Exam is a rigorous assessment of a candidate's Snowflake skills and knowledge. It is a multiple-choice, timed exam that covers a range of topics such as Snowflake architecture, data loading and unloading, performance optimization, security and access control, and user management. COF-C02 exam is designed to measure a candidate's ability to configure, manage, and troubleshoot Snowflake environments, as well as their understanding of Snowflake's data storage and processing capabilities. Upon successful completion of the exam, candidates will be awarded the SnowPro Core Certification, which is a widely recognized industry certification that demonstrates their expertise in Snowflake.
NEW QUESTION # 184
Which of the following is a valid source for an external stage when the Snowflake account is located on Microsoft Azure?
- A. A Google Cloud storage bucket
- B. An FTP server with TLS encryption
- C. A Windows server file share on Azure
- D. An HTTPS server with WebDAV
Answer: A
NEW QUESTION # 185
When floating-point number columns are unloaded to CSV or JSON files, Snowflake truncates the values to approximately what?
- A. (10,4)
- B. (12,2)
- C. (15,9)
- D. (14,8)
Answer: C
NEW QUESTION # 186
By default, which role has access to the SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER function?
- A. ORGADMIN
- B. SYSADMIN
- C. ACCOUNTADMIN
- D. SECURITYADMIN
Answer: C
NEW QUESTION # 187
What is the lowest Snowflake edition that offers Time Travel up to 90 days.
- A. standard Edition
- B. Business Critical Edition
- C. Enterprise Edition
- D. Premier Edition
Answer: C
NEW QUESTION # 188
What information does the Query Profile provide?
- A. Graphical representation of the data model
- B. Statistics for each component of the processing plan
- C. Real-time monitoring of the database operations
- D. Detailed Information about I he database schema
Answer: B
NEW QUESTION # 189
Which of the following roles is recommended to be used to create and manage users and roles?
- A. SYSADMIN
- B. PUBLIC
- C. SECURITYADMIN
- D. ACCOUNTADMIN
Answer: C
NEW QUESTION # 190
Which command will unload data from a table into an external stage?
- A. INSERT
- B. GET
- C. COPY INTO <location>
- D. PUT
Answer: C
NEW QUESTION # 191
While running a query on a virtual warehouse in auto-scale mode, additional clusters are stated immediately if which setting is configured?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 192
For non-materialized views, what column in Information Schema and Account Usage identifies whether a view is secure or not?
- A. CHECK_OPTION
- B. TABLE_NAME
- C. IS_SECURE
- D. IS_UPDATEABLE
Answer: C
NEW QUESTION # 193
Which are true of Snowflake roles?
- A. Roles are a subset of users and users own objects In Snowflake
- B. 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
- C. All grants to objects are given to roles, and never to users
- D. The public role controls at other roles
Answer: B,C
NEW QUESTION # 194
In which scenarios would a user have to pay Cloud Services costs? (Select TWO).
- A. Compute Credits = 10 Credits Cloud Services = 9
- B. Compute Credits = 120 Credits Cloud Services = 10
- C. Compute Credits = 80 Credits Cloud Services = 5
- D. Compute Credits = 50 Credits Cloud Services = 10
- E. Compute Credits = 200 Credits Cloud Services = 26
Answer: B,C
NEW QUESTION # 195
What can a Snowflake user do in the Activity section in Snowsight?
- A. Write and run SQL queries.
- B. Explore databases and objects.
- C. Create dashboards.
- D. Explore executed query performance.
Answer: D
NEW QUESTION # 196
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 # 197
Which account__usage views are used to evaluate the details of dynamic data masking? (Select TWO)
- A. RESOURCE_MONIT ORS
- B. POLICY_REFERENCES
- C. ROLES
- D. QUERY_HISTORY
- E. ACCESS_HISTORY
Answer: B,D
Explanation:
Explanation
https://docs.snowflake.com/en/user-guide/security-column-ddm-intro.html#:~:text=DESCRIBE%20MASKING%
NEW QUESTION # 198
A virtual warehouse's auto-suspend and auto-resume settings apply to which of the following?
- A. The database in which the virtual warehouse resides
- B. The primary cluster in the virtual warehouse
- C. The entire virtual warehouse
- D. The Queries currently being run on the virtual warehouse
Answer: C
Explanation:
Explanation
https://docs.snowflake.com/en/user-guide/warehouses-overview.html#:~:text=Similarly%2C%20auto%2Dresum
NEW QUESTION # 199
How does a scoped URL expire?
- A. The length of time is specified in the expiration_time argument.
- B. When the persisted query result period ends.
- C. When the data cache clears.
- D. The encoded URL access is permanent.
Answer: B
NEW QUESTION # 200
True or False: Loading data into Snowflake requires that source data files be no larger than 16MB.
- A. True
- B. False
Answer: B
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 # 201
Which of the following are considerations when using a directory table when working with unstructured data?
(Choose two.)
- A. Directory table data can not be refreshed manually.
- B. Directory tables do not have their own grantable privileges.
- C. A directory table will be automatically added to a stage.
- D. A directory table is a separate database object.
- E. Directory tables store data file metadata.
Answer: B,E
NEW QUESTION # 202
What is the default File Format used in the COPY command if one is not specified?
- A. XML
- B. CSV
- C. JSON
- D. Parquet
Answer: B
Explanation:
Reference: https://docs.snowflake.com/en/sql-reference/sql/copy-into-location.html
NEW QUESTION # 203
A sales table FCT_SALES has 100 million records.
The following Query was executed
SELECT COUNT (1) FROM FCT__SALES;
How did Snowflake fulfill this query?
- A. Query against a virtual warehouse cache
- B. Query against the result set cache
- C. Query against the metadata excite
- D. Query against the most-recently created micro-partition
Answer: C
NEW QUESTION # 204
True or False: Once created, a micro-partition will never be changed.
- A. False
- B. True
Answer: B
NEW QUESTION # 205
In the query profiler view for a query, which components represent areas that can be used to help optimize query performance? (Select TWO)
- A. Bytes sent over the network
- B. External bytes scanned
- C. Number of partitions scanned
- D. Percentage scanned from cache
- E. Bytes scanned
Answer: C,E
NEW QUESTION # 206
What versions of Snowflake should be used to manage compliance with Personal Identifiable Information (PII) requirements? (Choose two.)
- A. Virtual Private Snowflake
- B. Custom Edition
- C. Business Critical Edition
- D. Enterprise Edition
- E. Standard Edition
Answer: A,C
NEW QUESTION # 207
True or False: A Virtual Warehouse can be resized while suspended.
- A. False
- B. True
Answer: B
Explanation:
Reference:
https://docs.snowflake.com/en/user-guide/warehouses-tasks.html#effects-of-resizing-a-suspended-warehouse
NEW QUESTION # 208
Which Snowflake feature will allow small volumes of data to continuously load into Snowflake and will incrementally make the data available for analysis?
- A. COPY INTO
- B. INSERT INTO
- C. CREATE PIPE
- D. TABLE STREAM
Answer: C
NEW QUESTION # 209
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