Important Snowflake COF-C02 Exam Questions

Answer: D, E, F

Explanation:

Snowflake's architecture is designed to operate entirely on cloud infrastructure. It uses the core compute and storage services of each cloud provider, which allows it to leverage the scalability and reliability of cloud resources. Snowflake's services are deployed across multiple availability zones within a cloud provider's region to ensure high availability and fault tolerance. References: [COF-C02] SnowPro Core Certification Exam Study Guide

Answer: B, C

Explanation:

Disabling auto-suspend for a virtual warehouse is recommended when there is a steady workload, which ensures that compute resources are always available.Additionally, it is advisable to disable auto-suspend when immediate availability of compute resources is critical, eliminating any startup delay

Answer: D

Explanation:

The search optimization service in Snowflake supports use cases involving conjunctions (AND) of multiple equality predicates. This service enhances the performance of queries that include multiple equality conditions by utilizing search indexes to quickly filter data without scanning entire tables or partitions. It's particularly beneficial for improving the response times of complex queries that rely on specific data matching across multiple conditions.

References:

Snowflake Documentation: Search Optimization Service

Answer: B

Explanation:

An explain plan is beneficial because it allows for the evaluation of how a query will be processed without the need to actually execute the query.This can help in understanding the query's performance implications and potential bottlenecks without consuming resources that would be used if the query were run

Answer: A, C

Explanation:

A clustering key can be defined when a table is created by appending a CLUSTER Where each clustering key consists of one or more table columns/expressions, which can be of any data type, except GEOGRAPHY, VARIANT, OBJECT, or ARRAY https://docs.snowflake.com/en/user-guide/tables-clustering-keys