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Snowflake COF-C02 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Snowflake Architecture & Cloud Concepts25%- Account structure and hierarchy
  • 1. Object ownership and naming conventions
  • 2. Organization, account, database, schema levels
- Cloud data platform fundamentals
  • 1. Data storage structure and formats
  • 2. Virtual warehouses and resource management
  • 3. Service layers and separation of storage/compute
Topic 2: Account Access & Security20%- Data protection & governance
  • 1. Encryption at rest and in transit
  • 2. Data masking and row-level security
- Authentication & authorization
  • 1. Network policies and security settings
  • 2. Users, roles, privileges and access control
Topic 3: Data Protection & Data Sharing10%- Secure data sharing
  • 1. Direct sharing, data exchanges, reader accounts
  • 2. Sharing security and access control
- Data recovery & retention
  • 1. Time Travel, Fail-safe, cloning capabilities
  • 2. Data retention policies and backup
Topic 4: Data Loading & Transformation20%- Data transformation & querying
  • 1. Working with structured, semi-structured, unstructured data
  • 2. DDL/DML operations and SQL functions
- Data ingestion methods
  • 1. Bulk loading, continuous loading, external stages
  • 2. File formats and data type handling
Topic 5: Data Pipelines & Automation10%- Integration & connectivity
  • 1. Connectors and ETL/ELT patterns
  • 2. External functions and API integration
- Workflow & automation
  • 1. Change data capture and processing
  • 2. Streams, tasks, and pipes
Topic 6: Performance Concepts & Optimization15%- Warehouse sizing & tuning
  • 1. Query profiling and optimization techniques
  • 2. Scaling, clustering, and concurrency management
- Data optimization features
  • 1. Caching and result reuse
  • 2. Clustering keys, search optimization, materialized views

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Snowflake SnowPro Core Certification Exam Sample Questions (Q23-Q28):

NEW QUESTION # 23
When cloning tables, which information_schema view will show different columns for owned storage and referenced storage?

Answer: A

Explanation:
* The TABLE_STORAGE_METRICS view in Snowflake provides details about table storage, including owned storage (storage exclusively used by the table) and referenced storage (shared storage due to cloning or Time Travel).
* This view helps distinguish between data directly owned by the table and data shared with other tables through features like cloning.
Why Other Options Are Incorrect:
* A. DATABASE_STORAGE_USAGE_HISTORY: Tracks storage usage at the database level, not specific to tables or cloning.
* B. STAGE_STORAGE_USAGE_HISTORY: Tracks storage usage for stages, not tables.
* D. STORAGE_USAGE: Provides high-level account storage details, not specific to cloning or tables.
References:
* TABLE_STORAGE_METRICS Documentation


NEW QUESTION # 24
Which command can be used to list all the file formats for which a user has access privileges?

Answer: D

Explanation:
The command to list all the file formats for which a user has access privileges in Snowflake is SHOW FILE FORMATS. This command provides a list of all file formats defined in the user's current session or specified database/schema, along with details such as the name, type, and creation time of each file format. It is a valuable tool for users to understand and manage the file formats available for data loading and unloading operations.
References:
* Snowflake Documentation: SHOW FILE FORMATS


NEW QUESTION # 25
A stream can be created on which Snowflake objects to record data manipulation language(DML) changes?
(Select TWO).

Answer: A,E

Explanation:
Snowflake streams are objects that enable users to track changes (inserts, updates, and deletes) to the data in tables, facilitating real-time data processing and integration workflows. Streams can be created on standard tables, capturing DML changes made to these tables so that downstream processes can consume the changes incrementally. This feature supports efficient data ETL, replication, and real-time analytics by providing a mechanism to process only the data that has changed. Note: The correct options should likely include a distinction between "Standard tables" and another object type such as "External tables" rather than repeating
"Standard tables" twice.References: Snowflake Documentation on Streams


NEW QUESTION # 26
What information is stored in the ACCESS_HlSTORY view?

Answer: A

Explanation:
Details around the privileges that have been granted for all objects in an account. The ACCESS_HISTORY view in Snowflake provides a comprehensive log of access control changes, including grants and revocations of privileges on all securable objects within the account. This information is crucial for auditing and monitoring the security posture of your Snowflake environment.
Here's how to understand and use the ACCESS_HISTORY view:
* Purpose of ACCESS_HISTORY View: It is designed to track changes in access controls, such as when a user or role is granted or revoked privileges on various Snowflake objects. This includes tables, schemas, databases, and more.
* Querying ACCESS_HISTORY: To access this view, you can use the following SQL query pattern:
SELECT * FROM SNOWFLAKE.ACCOUNT_USAGE.ACCESS_HISTORY WHERE EVENT_TYPE =
'GRANT' OR EVENT_TYPE = 'REVOKE';
* Interpreting the Results: The results from the ACCESS_HISTORY view include the object type, the specific privilege granted or revoked, the grantee (who received or lost the privilege), and the timestamp of the event. This data is invaluable for audits and compliance checks.
Reference: For detailed information on the ACCESS_HISTORY view and how to interpret its data, please visit the official Snowflake documentation: https://docs.snowflake.com/en/sql-reference/account-usage
/access_history.html


NEW QUESTION # 27
How does the authorization associated with a pre-signed URL work tor an unstructured file?

Answer: D

Explanation:
* A pre-signed URL in Snowflake grants access to unstructured files (e.g., in external stages) without requiring additional authentication.
* The URL includes an embedded token that specifies the expiration time and access permissions.
* Key Point: Anyone who has the pre-signed URL can access the referenced file for the duration of the token's validity.
Why Other Options Are Incorrect:
* B. Only the user who generates the URL can use it: The URL is shareable and not restricted to its creator.
* C. Users with roles and privileges: Pre-signed URLs bypass direct role or privilege checks.
* D. Role specified in GET REST API call: This is unrelated to pre-signed URL access.
References:
* Pre-Signed URLs Documentation


NEW QUESTION # 28
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