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Snowflake COF-C02 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Performance and Cost Optimization Concepts: This section of the exam measures skills of data platform architects and covers methods to enhance query performance and reduce resource consumption. It focuses on warehouse sizing, query profiling, caching, auto-scaling features, and cost control techniques that are critical for operating Snowflake at scale.
Topic 2
  • Data Transformations
Topic 3
  • This section of the exam measures skills of cloud data engineers and covers techniques for efficiently importing and exporting structured data. It includes file formats, staging methods, COPY commands, and data pipeline integration strategies, as well as handling semi-structured data types like JSON or Parquet.
Topic 4
  • Data Loading and Unloading

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Snowflake SnowPro Core Certification Exam Sample Questions (Q31-Q36):

NEW QUESTION # 31
What data is stored in the Snowflake storage layer? (Select TWO).

Answer: D,E


NEW QUESTION # 32
How many network policies can be assigned to an account or specific user at a time?

Answer: C

Explanation:
According to my knowledge, a security administrator can create multiple network policies, but only one network policy can be active for an account or specific user at any given time. This ensures that there is a clear and consistent policy being applied without conflicts. Reference: Based on my internal knowledge as of 2021.


NEW QUESTION # 33
A user is loading JSON documents composed of a huge array containing multiple records into Snowflake. The user enables the strip__outer_array file format option What does the STRIP_OUTER_ARRAY file format do?

Answer: A

Explanation:
Explanation
Data Size Limitations
The VARIANT data type imposes a 16 MB size limit on individual rows.
For some semi-structured data formats (e.g. JSON), data sets are frequently a simple concatenation of multiple documents. The JSON output from some software is composed of a single huge array containing multiple records. There is no need to separate the documents with line breaks or commas, though both are supported.
If the data exceeds 16 MB, enable the STRIP_OUTER_ARRAY file format option for the COPY INTO
<table> command to remove the outer array structure and load the records into separate table rows:
copy into <table>
from @~/<file>.json
file_format = (type = 'JSON' strip_outer_array = true);
https://docs.snowflake.com/en/user-guide/semistructured-considerations.html


NEW QUESTION # 34
What type of query will benefit from the query acceleration service?

Answer: A

Explanation:
The query acceleration service in Snowflake is designed to benefit queries that involve large scans and selective filters. This service can offload portions of the query processing work to shared compute resources, which can handle these types of workloads more efficiently by performing more work in parallel and reducing the wall-clock time spent in scanning and filtering2. Reference: [COF-C02] SnowPro Core Certification Exam Study Guide


NEW QUESTION # 35
Which role has the ability to create a share from a shared database by default?

Answer: C

Explanation:
By default, the ACCOUNTADMIN role in Snowflake has the ability to create a share from a shared database.
This role has the highest level of access within a Snowflake account, including the management of all aspects of the account, such as users, roles, warehouses, and databases, as well as the creation and management of shares for secure data sharing with other Snowflake accounts.
References:
* Snowflake Documentation: Roles


NEW QUESTION # 36
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