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Snowflake SnowPro Core COF-C02 Exam Questions in PDF

Free Snowflake COF-C02 Dumps Questions (page: 24)

COF-C02 PDF — 1300 Questions

Assume there is a table consisting of five micro-partitions with values ranging from A to Z.
Which diagram indicates a well-clustered table?





Answer(s): A



What feature can be used to reorganize a very large table on one or more columns?

  1. Micro-partitions
  2. Clustering keys
  3. Key partitions
  4. Clustered partitions

Answer(s): B



What is an advantage of using an explain plan instead of the query profiler to evaluate the performance of a query?

  1. The explain plan output is available graphically.
  2. An explain plan can be used to conduct performance analysis without executing a query.
  3. An explain plan will handle queries with temporary tables and the query profiler will not.
  4. An explain plan's output will display automatic data skew optimization information.

Answer(s): B



Which data types are supported by Snowflake when using semi-structured data? (Choose two.)

  1. VARIANT
  2. VARRAY
  3. STRUCT
  4. ARRAY
  5. QUEUE

Answer(s): A,D



Why does Snowflake recommend file sizes of 100-250 MB compressed when loading data?

  1. Optimizes the virtual warehouse size and multi-cluster setting to economy mode
  2. Allows a user to import the files in a sequential order
  3. Increases the latency staging and accuracy when loading the data
  4. Allows optimization of parallel operations

Answer(s): D



Which of the following features are available with the Snowflake Enterprise edition? (Choose two.)

  1. Database replication and failover
  2. Automated index management
  3. Customer managed keys (Tri-secret secure)
  4. Extended time travel
  5. Native support for geospatial data

Answer(s): D,E



What is the default file size when unloading data from Snowflake using the COPY command?

  1. 5 MB
  2. 8 GB
  3. 16 MB
  4. 32 MB

Answer(s): C



What features that are part of the Continuous Data Protection (CDP) feature set in Snowflake do not require additional configuration? (Choose two.)

  1. Row level access policies
  2. Data masking policies
  3. Data encryption
  4. Time Travel
  5. External tokenization

Answer(s): C,D



Viewing page 24 of 139

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A
AI Tutor Explanation
4/25/2026 1:42:20 PM

Question 104:

  • Correct answer: D) Multi-Terabyte (TB) Range

  • Brief explanation:
- clustering keys organize data into micro-partitions to improve pruning when queries filter on those columns. - The performance benefit is most significant for very large tables; for small tables the overhead of maintaining clustering outweighs gains. - Therefore, as a best practice, define clustering keys on tables at the TB scale.

Thane, India
A
AI Tutor Explanation
4/21/2026 8:48:36 AM

Question 3:

  • False is the correct answer (Option B).

Why:
  • In Snowflake, a database is a metadata object that exists within a single Snowflake account. Accounts are isolated—there isn’t one database that lives in multiple accounts.
  • You can access data across accounts via data sharing or database replication, but these create separate database objects in the other accounts (e.g., a database in the consumer account created from a share), not a single shared database across accounts.

So a single database cannot exist in more than one Snowflake account.

Thane, India
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