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[DEA-C01] SnowPro Advanced: Data Engineer Exam Guide

The SnowPro Advanced: Data Engineer Certification Exam will test advanced knowledge and skills used to apply comprehensive data engineering principles using Snowflake.

This certification will test the ability to:
- Source data from Data Lakes, APIs, and on-premises
- Transform, replicate, and share data across cloud platforms
- Design end-to-end near real-time streams
- Design scalable compute solutions for DE workloads
- Evaluate performance metrics

  • Course Number

  • Self-Paced

SnowPro™ Advanced: Data Engineer Certification Candidate

2+ years of data engineering experience, including practical experience using Snowflake for DE tasks; Candidates should have a working knowledge of Restful APIs, SQL, semi-structured datasets, and cloud native concepts. Programming experience is a plus.

Target Audience:

  • Data Engineers

Exam Format

Exam Version: DEA-C01
Total Number of Questions: 65
Question Types: Multiple Select, Multiple Choice
Time Limit: 115 minutes
Languages: English
Registration Fee: $375 USD
Passing Score: 750 + Scaled Scoring from 0 - 1000
Unscored Content: Exams may include unscored items to gather statistical information. These items are not identified on the form and do not affect your score, and additional time is factored in to account for this content.
Prerequisites: SnowPro Core Certified
Delivery Options:

  • Online Proctoring
  • Onsite Testing Centers

Find more about registration details here.

Exam Domain Breakdown

This exam guide includes test domains, weightings, and objectives. It is not a comprehensive listing of all the content that will be presented on this examination. The table below lists the main content domains and their weighting ranges.

1.0 Domain: Data Movement

1.1 Given a data set, load data into Snowflake.

  • Outline considerations for data loading
  • Define data loading features and potential impact

1.2 Ingest data of various formats through the mechanics of Snowflake.

  • Required data formats
  • Outline stages

1.3 Troubleshoot data ingestion.

1.4 Design, build, and troubleshoot continuous data pipelines.

  • Design a data pipeline that forces uniqueness but is not unique
  • Stages
  • Tasks
  • Streams
  • Snowpipe
  • Auto ingest as compared to Rest API

1.5 Analyze and differentiate types of data pipelines.

  • Understand Snowpark architecture (client vs server)
  • Create and deploy UDFs and stored procedures using Snowpark
  • Design and use the Snowflake SQL API

1.6 Install, configure, and use connectors to connect to Snowflake.

1.7 Design and build data sharing solutions.

  • Implement a data share
  • Create a secure view
  • Implement row level filtering

1.8 Outline when to use external tables and define how they work.

  • Partitioning external tables
  • Materialized views
  • Partitioned data unloading

2.0 Domain: Performance Optimization

2.1 Troubleshoot underperforming queries.

  • Identify underperforming queries
  • Outline telemetry around the operation
  • Increase efficiency
  • Identify the root cause

2.2 Given a scenario, configure a solution for the best performance.

  • Scale out as compared to scale in
  • Clustering as compared to increasing warehouse size
  • Query complexity
  • Micro-partitions and the impact of clustering
  • Materialized views
  • Search optimization service

2.3 Outline and use caching features.

2.4 Monitor continuous data pipelines.

  • Snowpipe
  • Stages
  • Tasks
  • Streams

3.0 Domain: Storage and Data Protection

3.1 Implement data recovery features in Snowflake.

  • Time Travel
  • Fail-safe

3.2 Outline the impact of streams on Time Travel.

3.3 Use system functions to analyze micro-partitions.

  • Clustering depth
  • Cluster keys

3.4 Use Time Travel and cloning to create new development environments.

  • Backup databases
  • Test changes before deployment
  • Rollback

4.0 Domain: Security

4.1 Outline Snowflake security principles.

  • Authentication methods (Single Sign-On (SSO), key authentication, username/password, Multi-Factor Authentication (MFA))
  • Role Based Access Control (RBAC)
  • Column level security and how data masking works with RBAC to secure sensitive data

4.2 Outline the system defined roles and when they should be applied.

  • The purpose of each of the system defined roles including best practices usage in each case
  • The primary differences between SECURITYADMIN and USERADMIN roles
  • The difference between the purpose and usage of the USERADMIN/SECURITYADMIN roles and SYSADMIN

4.3 Manage data governance.

  • Explain the options available to support column level security including Dynamic Data Masking and external tokenization
  • Explain the options available to support row level security using Snowflake row access policies
  • Use DDL required to manage Dynamic Data Masking and row access policies
  • Use methods and best practices for creating and applying masking policies on data
  • Use methods and best practices for object tagging

5.0 Domain: Data Transformation

5.1 Define User-Defined Functions (UDFs) and outline how to use them.

  • Secure UDFs
  • SQL UDFs
  • JavaScript UDFs
  • Returning table value compared to scalar value

5.2 Define and create external functions.

  • Secure external functions

5.3 Design, build, and leverage stored procedures.

  • Transaction management

5.4 Handle and transform semi-structured data.

  • Traverse and transform semi-structured data to structured data
  • Transform structured to semi-structured data

5.5 Use Snowpark for data transformation.

  • Query and filter data using the Snowpark library
  • Perform data transformations using Snowpark (ie., aggregations)
  • Join Snowpark dataframes

Recommended Training

We recommend individuals have at least 2 + years of hands-on Snowflake Practitioner experience in a Data Engineering role prior to attempting this exam. The exam will assess skills through scenario-based questions and real-world examples. As preparation for this exam, we recommend a combination of hands-on experience, instructor-led training, and the utilization of self-study assets.

Instructor-Led Course recommended for this exam:
Snowflake Data Engineering Training

Free Self Study recommended for this exam:
SnowPro Advanced: Data Engineer Study Guide