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Snowflake COF-C02 Exam Syllabus Topics:

SectionWeightObjectives
Billing and Account Management10-15%- Credit Usage
  • 1. Resource Monitors
  • 2. Credit Monitoring
- Account Operations
  • 1. Database/Schema Management
  • 2. Object Naming Conventions
  • 3. Account Parameters
Cloud Architecture and Data Loading20-25%- Data Loading Techniques
  • 1. Continuous Loading
  • 2. Data Loading Best Practices
  • 3. Bulk Loading (COPY INTO)
- Snowflake Architecture Overview
  • 1. Virtual Warehouses
  • 2. Multi-cluster Warehouses
  • 3. Snowflake Editions
  • 4. Layers (Storage, Compute, Services)
Performance Optimization20-25%- Data Optimization
  • 1. Clustering Keys
  • 2. Search Optimization Service
  • 3. Materialized Views
- Warehouse Optimization
  • 1. Auto-Suspend/Auto-Resume
  • 2. Multi-cluster Configuration
  • 3. Warehouse Sizing
- Query Performance
  • 1. Query History
  • 2. Result Set Caching
  • 3. Query Profiling
Data Handling and Transformation15-20%- Semi-Structured Data
  • 1. JSON/Avro/Parquet Handling
  • 2. VARIANT Data Type
  • 3. Flattening Data
- Data Transformation
  • 1. Snowflake SQL Functions
  • 2. Data Pipelines
  • 3. Time Travel Features
Account Access and Security20-25%- Authentication
  • 1. User/Role Management
  • 2. SSO Integration
  • 3. Multi-Factor Authentication
- Network Security
  • 1. Private Connectivity
  • 2. Network Policies
- Authorization
  • 1. Role Hierarchy
  • 2. Grant/Revoke Commands
  • 3. Object Privileges

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Snowflake SnowPro Core Certification Exam Sample Questions (Q159-Q164):

NEW QUESTION # 159
What is the MAXIMUM number of clusters that can be provisioned with a multi-cluster virtual warehouse?

Answer: A

Explanation:
In Snowflake, the maximum number of clusters that can be provisioned within a multi-cluster virtual warehouse is 10. This allows for significant scalability and performance management by enabling Snowflake to handle varying levels of query load by adjusting the number of active clusters within the warehouse.
Reference: Snowflake documentation on virtual warehouses, particularly the scalability options available in multi-cluster configurations.


NEW QUESTION # 160
By default, which role has access to the SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER function?

Answer: D

Explanation:
By default, the ACCOUNTADMIN role in Snowflake has access to the SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER function. This function is used to set global account parameters, impacting the entire Snowflake account's configuration and behavior. The ACCOUNTADMIN role is the highest-level administrative role in Snowflake, granting the necessary privileges to manage account settings and security features, including the use of global account parameters.
Reference:
Snowflake Documentation: SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER


NEW QUESTION # 161
A column named "Data" contains VARIANT data and stores values as follows:

How will Snowflake extract the employee's name from the column data?

Answer: A

Explanation:
In Snowflake, to extract a specific value from a VARIANT column, you use the column name followed by a colon and then the key. The keys are case-sensitive. Therefore, to extract the employee's name from the
"Data" column, the correct syntax is data:employee.name.


NEW QUESTION # 162
Which command will provide an account with access to a share?

Answer: D

Explanation:
The correct answer is A. ALTER SHARE .
To provide a consumer account with access to an existing share, the provider adds the consumer account to the share. This is done using the ALTER SHARE command with the ADD ACCOUNTS clause.
Example:
ALTER SHARE my_share
ADD ACCOUNTS = consumer_org.consumer_account;
Why A is correct:
ALTER SHARE modifies an existing share. Adding consumer accounts to a share gives those accounts access to the share.
Why the other options are incorrect:
B). CREATE SHARE creates a new share object, but it does not by itself add a consumer account to an existing share.
C). DESCRIBE SHARE displays metadata about a share; it does not grant access.
D). GRANT < privilege > ... TO SHARE grants database object privileges to the share, such as usage on a database or select on a table. It does not add a consumer account to the share.
Official Snowflake documentation reference:
Snowflake documentation explains that ALTER SHARE ... ADD ACCOUNTS is used to add consumer accounts to a share. Object privileges are granted separately to the share using GRANT ... TO SHARE.
Reference: Snowflake Documentation - ALTER SHARE; Snowflake Documentation - Secure Data Sharing; Snowflake Documentation - GRANT ... TO SHARE; SnowPro Core Study Guide - Data Protection and Governance.


NEW QUESTION # 163
What is the MOST performant file format for loading data in Snowflake?

Answer: B

Explanation:
Parquet is a columnar storage file format that is optimized for performance in Snowflake. It is designed to be efficient for both storage and query performance, particularly for complex queries on large datasets. Parquet files support efficient compression and encoding schemes, which can lead to significant savings in storage and speed in query processing, making it the most performant file format for loading data into Snowflake.
References:
* [COF-C02] SnowPro Core Certification Exam Study Guide
* Snowflake Documentation on Data Loading1


NEW QUESTION # 164
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