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Snowflake COF-C02 Exam Syllabus Topics:

Section	Objectives
Topic 1: Data Protection, Security, and Performance	- Time Travel and Fail-safe concepts - Query performance optimization basics - Role-based access control (RBAC)
Topic 2: Snowflake Architecture and Overview	- Virtual warehouses and resource scaling concepts - Snowflake architecture concepts (cloud data platform, separation of storage and compute)
Topic 3: Data Transformations and Querying	- Semi-structured data handling (VARIANT, JSON, Parquet) - SQL querying in Snowflake
Topic 4: Data Loading and Unloading	- Bulk loading using stages and COPY INTO - Data unloading and external stages

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Snowflake SnowPro Core Certification Exam Sample Questions (Q1012-Q1017):

NEW QUESTION # 1012
What is the expiration period tor a file URL used to access unstructured data in cloud storage?

A. The length of time specified in the expiration_time argument
B. The same length of time as the expiration period for the query results cache
C. An unlimited amount of time
D. The remainder of the session

Answer: B

NEW QUESTION # 1013
Which item in the Data Warehouse migration process does not apply in Snowflake>

A. Migrate Users
B. Migrate Schemas
C. Build the Data pipeline
D. Migrate Indexes

Answer: D

NEW QUESTION # 1014
A user wants to access stored in a stage without authenticating into Snowflake.
Which type of URL should be used?

A. Pre-signed URL
B. Scoped URL
C. Staged URL
D. File URL

Answer: A

Explanation:
A pre-signed URL provides a way to access objects stored in a stage without requiring authentication to Snowflake. This URL contains all the necessary information for access control, including an expiration time, and it's signed by the service's credentials. This mechanism allows users or applications to access specific files stored in a cloud storage location (stage) directly, bypassing the need to authenticate into Snowflake, ensuring secure and temporary access to the data.References: Snowflake Documentation on Stages and Data Loading

NEW QUESTION # 1015
Which SQL statement will require a virtual warehouse to run?

A. SELECT COUNT{*) FROM TBL_EMPLOYEE;
B. CREATE OR REPLACE TABLE TBL_EMPLOYEE (EMP_ID NUMBER,EMP_NAME VARCHAR(30),EMP_SALARY NUMBER, DEPT VARCHAR{20));
C. ALTER TABLE TBL_EMPLOYEE ADD COLUMN EMP_REGI0N VARCHAR(20);
D. INSERT INTO TBL_EMPLOYEE(EMP_ID, EMP_NAME, EMP_SALARY, DEPT) VALUES(1,'Adam*,20000,* Finance');

Answer: D

Explanation:
A virtual warehouse in Snowflake is used to perform data processing tasks that require computational resources, such as queries that modify data or perform significant computation. Of the options provided:
* C. INSERT INTO TBL_EMPLOYEE(EMP_ID, EMP_NAME, EMP_SALARY, DEPT)
VALUES(1,'Adam',20000,'Finance');This SQL statement performs a data modification operation (DML) by inserting a new record into theTBL_EMPLOYEEtable, which requires computational resources provided by a virtual warehouse to execute.
References:
* Snowflake Documentation: Understanding Virtual Warehouses

NEW QUESTION # 1016
Which metrics are provided in the Query Profile?

A. Roles and permission of users running the queries
B. Query execution time and number of rows processed
C. The costs of running queries by user
D. Data retention period and backup schedules

Answer: B

Explanation:
The Query Profile tool provides a visual breakdown of query execution including:
* Execution time per step
* Rows processed, scanned, or returnedThis helps analyze performance bottlenecks and optimize SQL.
Reference:
Snowflake Docs: Query Profile

NEW QUESTION # 1017
......

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