Quiz Snowflake - COF-C02 - SnowPro Core Certification Exam Updated Actual Dumps

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Snowflake COF-C02 Exam Syllabus Topics:

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

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Snowflake SnowPro Core Certification Exam Sample Questions (Q271-Q276):

NEW QUESTION # 271
How many credits does a size 3X-Large virtual warehouse consume if it runs continuously for 2 hours?

Answer: A

Explanation:
In Snowflake, the consumption of credits by a virtual warehouse is determined by its size and the duration for which it runs. A size 3X-Large virtual warehouse consumes 128 credits if it runs continuously for 2 hours.
This consumption rate is based on the principle that larger warehouses, capable of providing greater computational resources and throughput, consume more credits per hour of operation. The specific rate of consumption is defined by Snowflake's pricing model and the scale of the virtual warehouse.References:Snowflake Pricing Documentation


NEW QUESTION # 272
What happens when a cloned table is replicated to a secondary database? (Select TWO)

Answer: C,E

Explanation:
Cloned objects are replicated physically rather than logically to secondary databases. That is, cloned tables in a standard database do not contribute to the overall data storage unless or until DML operations on the clone add to or modify existing data. However, when a cloned table is replicated to a secondary database, the physical data is also replicated, increasing the data storage usage for your account.
https://docs.snowflake.com/en/user-guide/database-replication-considerations.html#:~:text=Replication%20and%20Cloning,-Cloned%20objects%20are&text=However%2C%20when%20a%20cloned%20table,storage%20usage%20for%20your%20account.


NEW QUESTION # 273
What value provides information about disk usage for operations where intermediate results do not fit in memory in a Query Profile?

Answer: C

Explanation:
In Snowflake, when a query execution requires more memory than what is available, Snowflake handles these situations by spilling the intermediate results to disk. This process is known as "spilling." The Query Profile in Snowflake includes a metric that helps users identify when and how much data spilling occurs during the execution of a query. This information is crucial for optimizing queries as excessive spilling can significantly slow down query performance. The value that provides this information about disk usage due to intermediate results not fitting in memory is appropriately labeled as "Spilling" in the Query Profile.
References:
* Snowflake Documentation on Query Profile and Performance: This section explains the various components of the query profile, including the spilling metric, which indicates disk usage for operations where intermediate results exceed available memory.


NEW QUESTION # 274
Which statements reflect key functionalities of a Snowflake Data Exchange? (Choose two.)

Answer: D


NEW QUESTION # 275
What can a Snowflake user do with the information included in the details section of a Query Profile?

Answer: B

Explanation:
The details section of a Query Profile in Snowflake provides users with various statistics and information about the execution of a query. One of the key pieces of information that can be determined from this section is the total duration of the query, which helps in understanding the performance and identifying potential bottlenecks. Reference: [COF-C02] SnowPro Core Certification Exam Study Guide


NEW QUESTION # 276
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