The Best Valid COF-C02 Dumps for Helping Passing COF-C02 Exam!
UPDATED Snowflake COF-C02 Exam Questions & Answer
Snowflake COF-C02 (SnowPro Core Certification) Exam covers a wide range of topics, including Snowflake architecture, data loading and unloading techniques, security and access control, and query optimization. COF-C02 exam is divided into multiple sections, each of which focuses on a different aspect of the Snowflake platform. COF-C02 exam comprises of 70 multiple-choice questions that need to be answered within 90 minutes. COF-C02 exam is available in multiple languages, including English, Japanese, and German.
NEW QUESTION # 67
True or False: A Virtual Warehouse can be resized while suspended.
- A. True
- B. False
Answer: A
NEW QUESTION # 68
Which features could be used to improve the performance of queries that return a small subset of rows from a large table? (Select TWO).
- A. Multi-cluster virtual warehouses
- B. Search optimization service
- C. Row access policies
- D. Secure views
- E. Automatic clustering
Answer: B,E
NEW QUESTION # 69
What happens when a database is cloned?
- A. It replicates all granted privileges on the corresponding source objects.
- B. It does not retain any privileges granted on the source object.
- C. It replicates all granted privileges on the corresponding child schema objects.
- D. It replicates all granted privileges on the corresponding child objects.
Answer: D
NEW QUESTION # 70
A user has 10 files in a stage containing new customer dat
a. The ingest operation completes with no errors, using the following command:
COPY INTO my__table FROM @my__stage;
The next day the user adds 10 files to the stage so that now the stage contains a mixture of new customer data and updates to the previous data. The user did not remove the 10 original files.
If the user runs the same copy into command what will happen?
- A. Only data about new customers from the new files will be appended to the table
- B. All data from only the newly-added files will be appended to the table.
- C. The operation will fail with the error uncertain files in stage.
- D. All data from all of the files on the stage will be appended to the table
Answer: D
NEW QUESTION # 71
True or False: Snowpipe via RFST API can only reference External Stages as source.
- A. False
- B. True
Answer: A
NEW QUESTION # 72
What is the recommended file sizing for data loading using Snowpipe?
- A. A compressed file size greater than 100 GB, and up to 250 GB
- B. A compressed file size greater than 1 GB, and up to 2 GB
- C. A compressed file size greater than 100 MB, and up to 250 MB
- D. A compressed file size greater than 10 MB, and up to 100 MB
Answer: C
NEW QUESTION # 73
What privilege should a user be granted to change permissions for new objects in a managed access schema?
- A. Grant ALL privileges on the schema.
- B. Grant the OWNERSHIP privilege on the schema.
- C. Grant the MANAGE GRANTS global privilege.
- D. Grant the OWNERSHIP privilege on the database.
Answer: C
NEW QUESTION # 74
The fail-safe retention period is how many days?
- A. 90 days
- B. 7 days
- C. 1 day
- D. 45 days
Answer: B
Explanation:
Reference: https://docs.snowflake.com/en/user-guide/data-failsafe.html
NEW QUESTION # 75
Which of the following is a data tokenization integration partner?
- A. Tableau
- B. Protegrity
- C. DBeaver
- D. SAP
Answer: B
NEW QUESTION # 76
Which Snowflake technique can be used to improve the performance of a query?
- A. Clustering
- B. Indexing
- C. Fragmenting
- D. Using INDEX__HINTS
Answer: A
Explanation:
Explanation
https://docs.snowflake.com/en/user-guide/tables-clustering-keys.html
NEW QUESTION # 77
When can a Virtual Warehouse start running queries?
- A. When its provisioning is complete
- B. Only during administrator defined time slots
- C. 12am-5am
- D. After replication
Answer: A
NEW QUESTION # 78
What is the maximum Time Travel retention period for a temporary Snowflake table?
- A. 90 days
- B. 7 days
- C. 1 day
- D. 45 days
Answer: C
NEW QUESTION # 79
Which statements reflect key functionalities of a Snowflake Data Exchange? (Choose two.)
- A. If an account is enrolled with a Data Exchange, it will lose its access to the Snowflake Marketplace.
- B. Data Exchange functionality is available by default in accounts using the Enterprise edition or higher.
- C. A Data Exchange allows groups of accounts to share data privately among the accounts.
- D. A Data Exchange allows accounts to share data with third, non-Snowflake parties.
- E. The sharing of data in a Data Exchange is bidirectional. An account can be a provider for some datasets and a consumer for others.
Answer: C
NEW QUESTION # 80
What is a machine learning and data science partner within the Snowflake Partner Ecosystem?
- A. Data Robot
- B. Adobe
- C. Informatica
- D. Power Bl
Answer: A
Explanation:
Explanation
https://docs.snowflake.com/en/user-guide/ecosystem-analytics.html
NEW QUESTION # 81
Which of the following roles is recommended to be used to create and manage users and roles?
- A. ACCOUNTADMIN
- B. SYSADMIN
- C. PUBLIC
- D. SECURITYADMIN
Answer: D
NEW QUESTION # 82
What are common issues found by using the Query Profile? (Choose two.)
- A. Identifying queries that will likely run very slowly before executing them
- B. Identifying inefficient micro-partition pruning
- C. Data spilling to a local or remote disk
- D. Locating queries that consume a high amount of credits
- E. Identifying logical issues with the queries
Answer: A,B
NEW QUESTION # 83
Which Snowflake object enables loading data from files as soon as they are available in a cloud storage location?
- A. Task
- B. External stage
- C. Pipe
- D. Stream
Answer: C
Explanation:
Explanation
Snowpipe enables loading data from files as soon as they're available in a stage. This means you can load data from files in micro-batches, making it available to users within minutes, rather than manually executing COPY statements on a schedule to load larger batches.
https://docs.snowflake.com/en/user-guide/data-load-snowpipe-intro.html
NEW QUESTION # 84
A role is created and owns 2 tables. This role is then dropped. Who will now own the two tables?
- A. The assumed role that dropped the role
- B. SYSADMIN
- C. The tables are now orphaned
- D. The user that deleted the role
Answer: A
NEW QUESTION # 85
True or False: Fail-safe can be disabled within a Snowflake account.
- A. False
- B. True
Answer: A
Explanation:
Reference:
Separate and distinct from Time Travel, Fail-safe ensures historical data is protected in the event of a system failure or other catastrophic event, e.g. a hardware failure or security breach. Fail safe feature cannot be enabled or disabled from the user end .
NEW QUESTION # 86
What is the default character set used when loading CSV files into Snowflake?
- A. ISO S859-1
- B. ANSI_X3.A
- C. UTF-8
- D. UTF-16
Answer: C
Explanation:
https://docs.snowflake.com/en/user-guide/intro-summary-loading.html#:~:text=For%20delimited%20files%20(CSV%2C%20TSV,encoding%20to%20use%20for%20loading.
For delimited files (CSV, TSV, etc.), the default character set is UTF-8. To use any other characters sets, you must explicitly specify the encoding to use for loading. For the list of supported character sets, see Supported Character Sets for Delimited Files (in this topic).
NEW QUESTION # 87
A virtual warehouse's auto-suspend and auto-resume settings apply to which of the following?
- A. The Queries currently being run on the virtual warehouse
- B. The entire virtual warehouse
- C. The primary cluster in the virtual warehouse
- D. The database in which the virtual warehouse resides
Answer: B
Explanation:
https://docs.snowflake.com/en/user-guide/warehouses-overview.html#:~:text=Similarly%2C%20auto%2Dresume%20ensures%20that,individual%20clusters%20in%20the%20warehouse.
NEW QUESTION # 88
What can a Snowflake user do with the information included in the details section of a Query Profile?
- A. Determine if the query was on structured or semi-structured data.
- B. Determine the source system that the queried table is from.
- C. Determine the total duration of the query.
- D. Determine the role of the user who ran the query.
Answer: C
NEW QUESTION # 89
True or False: When active, a pipe requires a dedicated Virtual Warehouse to execute.
- A. False
- B. True
Answer: A
NEW QUESTION # 90
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The Snowflake COF-C02 exam is conducted by Snowflake, which is a cloud-based data warehousing company that provides solutions for data management, data warehousing, and data analytics. The Snowflake COF-C02 certification exam is designed for individuals who want to become certified experts in Snowflake, and it is an ideal certification for data engineers, data analysts, and data scientists.
Snowflake COF-C02 (SnowPro Core Certification) Exam is a certification exam designed to assess the knowledge and skills of Snowflake users in the core concepts of Snowflake. COF-C02 exam is intended for data professionals who work with Snowflake and want to demonstrate their expertise in the platform. The SnowPro Core Certification Exam covers a range of topics, including Snowflake architecture, data loading and unloading, data modeling, security, and performance optimization. COF-C02 exam is a comprehensive assessment of a candidate's understanding of Snowflake, and passing it demonstrates that the candidate has the skills and knowledge to work effectively with the platform.
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