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Microsoft DP-203 Exam Syllabus Topics:

Topic

Details

Design and Implement Data Storage (40-45%)

Design a data storage structure

- design an Azure Data Lake solution
- recommend file types for storage
- recommend file types for analytical queries
- design for efficient querying
- design for data pruning
- design a folder structure that represents the levels of data transformation
- design a distribution strategy
- design a data archiving solution

Design a partition strategy

- design a partition strategy for files
- design a partition strategy for analytical workloads
- design a partition strategy for efficiency/performance
- design a partition strategy for Azure Synapse Analytics
- identify when partitioning is needed in Azure Data Lake Storage Gen2

Design the serving layer

- design star schemas
- design slowly changing dimensions
- design a dimensional hierarchy
- design a solution for temporal data
- design for incremental loading
- design analytical stores
- design metastores in Azure Synapse Analytics and Azure Databricks

Implement physical data storage structures

- implement compression
- implement partitioning
- implement sharding
- implement different table geometries with Azure Synapse Analytics pools
- implement data redundancy
- implement distributions
- implement data archiving

Implement logical data structures

- build a temporal data solution
- build a slowly changing dimension
- build a logical folder structure
- build external tables
- implement file and folder structures for efficient querying and data pruning

Implement the serving layer

- deliver data in a relational star schema
- deliver data in Parquet files
- maintain metadata
- implement a dimensional hierarchy

Design and Develop Data Processing (25-30%)

Ingest and transform data

- transform data by using Apache Spark
- transform data by using Transact-SQL
- transform data by using Data Factory
- transform data by using Azure Synapse Pipelines
- transform data by using Stream Analytics
- cleanse data
- split data
- shred JSON
- encode and decode data
- configure error handling for the transformation
- normalize and denormalize values
- transform data by using Scala
- perform data exploratory analysis

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
- create data pipelines
- design and implement incremental data loads
- design and develop slowly changing dimensions
- handle security and compliance requirements
- scale resources
- configure the batch size
- design and create tests for data pipelines
- integrate Jupyter/Python notebooks into a data pipeline
- handle duplicate data
- handle missing data
- handle late-arriving data
- upsert data
- regress to a previous state
- design and configure exception handling
- configure batch retention
- design a batch processing solution
- debug Spark jobs by using 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
- process data by using Spark structured streaming
- monitor for performance and functional regressions
- design and create windowed aggregates
- handle schema drift
- process time series data
- process across partitions
- process within one partition
- configure checkpoints/watermarking during processing
- scale resources
- design and create tests for data pipelines
- optimize pipelines for analytical or transactional purposes
- handle interruptions
- design and configure exception handling
- upsert data
- replay archived stream data
- design a stream processing solution

Manage batches and pipelines

- trigger batches
- handle failed batch loads
- validate batch loads
- manage data pipelines in Data Factory/Synapse Pipelines
- schedule data pipelines in Data Factory/Synapse Pipelines
- implement version control for pipeline artifacts
- manage Spark jobs in a pipeline

Design and Implement Data Security (10-15%)

Design security for data policies and standards

- design data encryption for data at rest and in transit
- design a data auditing strategy
- design a data masking strategy
- design for data privacy
- design a data retention policy
- design to purge data based on business requirements
- design Azure role-based access control (Azure RBAC) and POSIX-like Access Control List (ACL) for Data Lake Storage Gen2
- design row-level and column-level security

Implement data security

- implement data masking
- encrypt data at rest and in motion
- implement row-level and column-level security
- implement Azure RBAC
- implement POSIX-like ACLs for Data Lake Storage Gen2
- implement a data retention policy
- implement a data auditing strategy
- manage identities, keys, and secrets across different data platform technologies
- implement secure endpoints (private and public)
- implement resource tokens in Azure Databricks
- load a DataFrame with sensitive information
- write encrypted data to tables or Parquet files
- manage sensitive information

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

Monitor data storage and data processing

- implement logging used by Azure Monitor
- configure monitoring services
- measure performance of data movement
- monitor and update statistics about data across a system
- monitor data pipeline performance
- measure query performance
- monitor cluster performance
- understand custom logging options
- schedule and monitor pipeline tests
- interpret Azure Monitor metrics and logs
- interpret a Spark directed acyclic graph (DAG)

Optimize and troubleshoot data storage and data processing

- compact small files
- rewrite user-defined functions (UDFs)
- handle skew in data
- handle data spill
- tune shuffle partitions
- find shuffling in a pipeline
- optimize resource management
- tune queries by using indexers
- tune queries by using cache
- optimize pipelines for analytical or transactional purposes
- optimize pipeline for descriptive versus analytical workloads
- troubleshoot a failed spark job
- troubleshoot a failed pipeline run

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Microsoft DP-203 Exam Syllabus Topics:

Design and Implement Data Storage (40-45%)

Design and Develop Data Processing (25-30%)

Design and Implement Data Security (10-15%)

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

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High success rate

Learn about the benefits of Microsoft DP-203 Certification

Where can I find good help with Microsoft DP-203 preparation?

Sure pass with Data Engineering on Microsoft Azure (DP-203 Korean Version) updated study material

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