DP-203 Exam Study Guide (Data Engineering on Microsoft Azure)

DP-203 Exam Study Guide (Data Engineering on Microsoft Azure)

Preparing for the DP-203 Data Engineering on Microsoft Azure exam? Don’t know where to start? This post is the DP-203 Certificate Study Guide, which helps you to achieve the Azure Data Engineer Associate Certification.

I have curated a list of articles from Microsoft documentation for each objective of the DP-203 exam. Please share the post within your circles so it helps them to prepare for the exam.

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DP-203 Data Engineering on Azure Course

DP-203 Practice Test for Azure Data Engineer

DP-203 Azure Data Engineer Other Materials

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DP-203 Sample Practice Exam Questions

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Design and Implement Data Storage (40-45%)

Design a Data Storage Structure

Design a Partition Strategy

Design a partition strategy for files

File Partition using Azure Data Factory

Incrementally copy new files by using the Copy Data tool

Design a partition strategy for analytical workloads

Best practices for Azure Databricks

Partitions in tabular models

Automated Partition Management with Azure Analysis Services

Design a partition strategy for efficiency/performance

Designing partitions for query performance

Design a partition strategy for Azure Synapse Analytics

Partitioning tables in Azure Synapse Analytics

Identify when partitioning is needed in Azure Data Lake Storage Gen2

Partitioning in ADLS Gen2

Design the Serving Layer

Implement Physical Data Storage Structures

Implement Logical Data Structures

Implement the Serving Layer

DP-203 Azure Data Engineer Associate Test Prep Questions

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Design and Develop Data Processing (25-30%)

Ingest and Transform Data

Design and Develop a Batch Processing Solution

Develop batch processing solutions by using Data Factory, Data Lake, Spark, Azure Synapse Pipelines, PolyBase, and Azure Databricks

Batch processing in Azure

Choosing a batch processing technology in Azure

Building batch data processing solutions in Microsoft Azure

Process large-scale datasets by using Data Factory & Batch

Run Spark Jobs using Azure Container Registry & Blob storage

Batch Processing with Databricks and Data Factory in Azure

Create data pipelines

Create a pipeline in Azure Data Factory

Build a data pipeline by using ADF, DevOps, & Machine Learning

Design and implement incremental data loads

Load data incrementally from Azure SQL Database to Blob storage

Implement incremental data loading with ADF

Incremental data loading using Azure Data Factory

Design and develop slowly changing dimensions

Processing Slowly Changing Dimensions with ADF Data Flows

Handle security and compliance requirements

Azure security baseline for Batch

Policy Regulatory Compliance controls for Azure Batch

Scale resources

Automatically scale compute nodes in an Azure Batch pool

Configure the batch size

Choose a VM size & image for compute nodes

Design and create tests for data pipelines

Unit testing Azure Data Factory pipelines

Integrate Jupyter/IPython notebooks into a data pipeline

Set up a Python development environment for AML

Explore Azure Machine Learning with Jupyter Notebooks

Handle duplicate data

Handle duplicate data in Azure Data Explorer

Dedupe rows by using data flow snippets

Remove duplicate rows module

Handle missing data

Clean missing data module

Methods for handling missing values

Handle late-arriving data

Late arriving events

Late arrival tolerance

Upsert data

Optimize Azure SQL Upsert scenarios

Implement Upsert using Dataflow

Regress to a previous state

Monitor Batch solutions by counting tasks & nodes by state

Design and configure exception handling

Error handling and detection in Azure Batch

Configure batch retention

Manage task lifetime

Design a batch processing solution

Batch processing

Debug Spark jobs by using the Spark UI

Debug Apache Spark jobs with the Spark UI

Design and Develop a Stream Processing Solution

Develop a stream processing solution by using Stream Analytics, Azure Databricks, and Azure Event Hubs

Implement a data streaming solution with Azure Streaming Analytics

Stream processing with Azure Databricks

Stream data into Azure Databricks using Event Hubs

Process data by using Spark structured streaming

Structured Streaming

Overview of Apache Spark Structured Streaming

Structured Streaming tutorial

Monitor for performance and functional regressions

Understand Stream Analytics job monitoring

Design and create windowed aggregates

Introduction to Stream Analytics windowing functions

Windowing functions (Azure Stream Analytics)

Handle schema drift

Schema drift in the mapping data flow

Process time-series data

Time series solutions

Understand time handling in Azure Stream Analytics

Process across partitions

Stream processing with Azure Stream Analytics

Use repartitioning to optimize processing with Stream Analytics

Process within one partition

Maximize throughput with repartitioning

Configure checkpoints/watermarking during processing

Checkpoints in Azure Stream Analytics jobs


Illustrated example of watermarks

How to calculate watermark for Streaming Analytics?

Scale resources

Understand and adjust Streaming Units

Scale an Azure Stream Analytics job to increase throughput

Design and create tests for data pipelines

Test live data locally using Azure Stream Analytics tools

Test an Azure Stream Analytics job in the portal

Optimize pipelines for analytical or transactional purposes

Use repartitioning to optimize processing

Leverage query parallelization

Handle interruptions

Avoid service interruptions in Azure Stream Analytics jobs

Design and configure exception handling

Azure Stream Analytics output error policy

Exception handling in Azure Stream Analytics

Upsert data

Upserts from Stream Analytics

Azure Stream Processing upsert to DocumentDB

Replay archived stream data

Estimate replay catch-up time

Design a stream processing solution

Stream processing with Azure Stream Analytics

Manage Batches and Pipelines

Trigger batches

Trigger a Batch job using Azure Functions

Handle failed batch loads

Check for pool and node errors

Validate batch loads

Job and task error checking

Manage data pipelines in Data Factory/Synapse Pipelines

Monitor and manage Azure Data Factory pipelines

Managing the mapping data flow graph

Schedule data pipelines in Data Factory/Synapse Pipelines

Create a trigger that runs a pipeline on a schedule

Implement version control for pipeline artifacts

Source control in Azure Data Factory

Manage Spark jobs in a pipeline

Monitor a pipeline with Spark activity

Design and Implement Data Security (10-15%)

Design Security for Data Policies and Standards

Design data encryption for data at rest and in transit

Azure Data Encryption at rest

Azure Storage Encryption for data at rest

Protect data in transit

Design a data auditing strategy

Auditing for Azure SQL Database & Synapse Analytics

Design a data masking strategy

Dynamic data masking

Static Data Masking for Azure SQL Database

Design for data privacy

Data privacy in the trusted cloud

Design a data retention policy

Understand data retention in Azure Time Series Insights

Design to purge data based on business requirements

Data purge

Enable data purge on your Azure Data Explorer cluster

Design Azure role-based access control (Azure RBAC) and POSIX-like Access Control List (ACL) for Data Lake Storage Gen2

Role-based access control (Azure RBAC)

Access control lists in Azure Data Lake Storage Gen2

Design row-level and column-level security

Row-level security in Azure SQL Database

Column-level security

Implement Data Security

Implement data masking

Get started with SQL Database dynamic data masking

Encrypt data at rest and in motion

Transparent data encryption for SQL Database

Implement row-level and column-level security

Row-level security in Azure SQL Database

Column-level security

Implement Azure RBAC

Use the portal to assign a role for access to blob & queue data

Implement POSIX-like ACLs for Data Lake Storage Gen2

Use PowerShell to manage ACLs in Data Lake Storage Gen2

Implement a data retention policy

Configuring retention in Azure Time Series Insights

Implement a data auditing strategy

Set up auditing for your server

Manage identities, keys, and secrets across different data platform technologies

Manage keys, secrets, for secure data with Key Vault

Implement secure endpoints (private and public)

Use private endpoints for Azure Storage

Use Azure SQL MI securely with public endpoints

Configure public endpoint in Managed Instance

Implement resource tokens in Azure Databricks

Authentication using Databricks personal access tokens

Load a DataFrame with sensitive information

DataFrames tutorial

Write encrypted data to tables or Parquet files

Use Parquet with Azure Data Lake Analytics

Manage sensitive information

Security Control: Data protection

Monitor and Optimize Data Storage and Data Processing (10-15%)

Monitor Data Storage and Data Processing

Optimize and Troubleshoot Data Storage and Data Processing

Compact small files

Auto Optimize

Rewrite user-defined functions (UDFs)

Modify user-defined functions

Handle skew in data

Resolve data-skew problems

Handle data spill

Data security Q&A (See Question 7)

Tune shuffle partitions

Use Unravel to tune Spark data partitioning

Find shuffling in a pipeline

Lightning fast query performance with Azure SQL Data Warehouse

Optimize resource management

How to optimize your Azure environment?

Azure resource management tips to optimize a cloud deployment

Tune queries by using indexers

Automatic tuning for SQL Database

Tune queries by using cache

Performance tuning with result set caching

Optimize pipelines for analytical or transactional purposes

Hyperspace: An indexing subsystem for Apache Spark

Optimize pipeline for descriptive versus analytical workloads

Optimize Apache Spark jobs in Azure Synapse Analytics

Troubleshoot a failed spark job

Troubleshoot Apache Spark by using Azure HDInsight

Troubleshoot a slow or failing job on an HDInsight cluster

Troubleshoot a failed pipeline run

Troubleshoot pipeline orchestration in Azure Data Factory

That’s it! This completes the DP-203 Data Engineering on Microsoft Azure Certification Study Guide.

What do you think? Let me know in the comments section if I have missed out on anything. Also, I love to hear from you about how your preparation is going on!

In case you are preparing for other Azure certification exams, check out the Azure study guide for those exams.

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