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Snowflake COF-R02 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Performance & Optimization | 15% | - Warehouse sizing & scaling - Query optimization & pruning - Resource monitoring & cost control - Search optimization & materialized views |
| Data Loading & Transformation | 20% | - Bulk loading & Snowpipe - Internal/external stages & file formats - DDL/DML & data transformation - Semi-structured & unstructured data |
| Account Access & Security | 20% | - Data encryption & governance - Users, roles & privilege model - Network policies & authentication - Security monitoring & compliance |
| Data Pipelines & Automation | 10% | - Pipeline monitoring & management - Streams & change data capture - Stored procedures & error handling - Tasks & scheduling |
| Snowflake Architecture & Cloud Concepts | 25% | - Virtual warehouses & compute resources - Micro-partitions, clustering & caching - Three-layer architecture - Cloud platform integrations |
| Data Protection & Sharing | 10% | - Time Travel & Fail-safe - Data marketplace & collaboration - Secure data sharing & reader accounts - Cloning & zero-copy replication |
Snowflake SnowPro Core Recertification Sample Questions:
Question 1
Which Snowflake layer is always leveraged when accessing a query from the result cache?
A. Metadata
B. Data Storage
C. Cloud Services
D. Compute
Question 2
Which of the following are best practices for loading data into Snowflake? (Choose three.)
A. Enclose fields that contain delimiter characters in single or double quotes.
B. Partition the staged data into large folders with random paths, allowing Snowflake to determine the best way to load each file.
C. Split large files into a greater number of smaller files to distribute the load among the compute resources in an active warehouse.
D. Load data from files in a cloud storage service in a different region or cloud platform from the service or region containing the Snowflake account, to save on cost.
E. When planning which warehouse(s) to use for data loading, start with the largest warehouse possible.
F. Aim to produce data files that are between 100 MB and 250 MB in size, compressed.
Question 3
A virtual warehouse is created using the following command:
Create warehouse my_WH with
warehouse_size = MEDIUM
min_cluster_count = 1
max_cluster_count = 1
auto_suspend = 60
auto_resume = true;
The image below is a graphical representation of the warehouse utilization across two days.
What action should be taken to address this situation?
A. Increase the warehouse size from Medium to 2XL.
B. Increase the value for the parameter MAX_CONCURRENCY_LEVEL.
C. Configure the warehouse to a multi-cluster warehouse.
D. Lower the value of the parameter STATEMENT_QUEUED_TIMEOUT_IN_SECONDS.
Question 4
True or False: A table in Snowflake can only be queried using the Virtual Warehouse that was used to load the data.
A. False
B. True
Question 5
Which statement about billing applies to Snowflake credits?
A. Credits are consumed based on the warehouse size and the time the warehouse is running
B. Credits are used to pay for cloud data storage usage
C. Credits are billed per-minute with a 60-minute minimum
D. Credits are consumed based on the number of credits billed for each hour that a warehouse runs
Solutions:
| Question 1 Answer: C | Question 2 Answer: A,D,E | Question 3 Answer: B | Question 4 Answer: A | Question 5 Answer: A |




