Overview

Microsoft Azure DP-203 Data Engineering Certification Practice Exam is a highly beneficial product for individuals seeking to enhance their data engineering skills and obtain certification in this field. This practice exam is designed to provide comprehensive and rigorous preparation for the DP-203 certification exam, which is a globally recognized credential for data engineering professionals.The practice exam offers a range of benefits to users, including the opportunity to assess their knowledge and skills in data engineering, identify areas for improvement, and gain confidence in their ability to pass the certification exam. The exam is structured to simulate the actual DP-203 certification exam, with a similar format, difficulty level, and time limit. This allows users to become familiar with the exam format and develop effective test-taking strategies.In addition, the practice exam includes detailed explanations and references for each question, enabling users to understand the underlying concepts and principles of data engineering. This helps users to not only pass the certification exam but also apply their knowledge in real-world scenarios.Data Engineering on Microsoft Azure Exam Summary:Number of Questions: Maximum of 40-60 questions,Type of Questions: Multiple Choice Questions (single and multiple response), drag and drops and performance-based,Length of Test: 150 Minutes. The exam is available in English and Japanese languages.Passing Score: 700 / 1000Languages: English at launch. JapaneseSchedule Exam: Pearson VUECandidates for this exam should have subject matter expertise integrating, transforming, and consolidating data from various structured and unstructured data systems into a structure that is suitable for building analytics solutions.Azure data engineers help stakeholders understand the data through exploration, and they build and maintain secure and compliant data processing pipelines by using different tools and techniques. These professionals use various Azure data services and languages to store and produce cleansed and enhanced datasets for analysis.Azure data engineers also help ensure that data pipelines and data stores are high-performing, efficient, organized, and reliable, given a set of business requirements and constraints. They deal with unanticipated issues swiftly, and they minimize data loss. They also design, implement, monitor, and optimize data platforms to meet the data pipelines needs.A candidate for this exam must have strong knowledge of data processing languages such as SQL, Python, or Scala, and they need to understand parallel processing and data architecture patterns.Microsoft Azure DP-203 Data Engineering Syllabus::Design and implement data storage (40-45%)Design a data storage structureDesign an Azure Data Lake solutionRecommend file types for storageRecommend file types for analytical queriesDesign for efficient queryingDesign for data pruningDesign a folder structure that represents the levels of data transformationDesign a distribution strategyDesign a data archiving solutionDesign a partition strategyDesign a partition strategy for filesDesign a partition strategy for analytical workloadsDesign a partition strategy for efficiency/performanceDesign a partition strategy for Azure Synapse AnalyticsIdentify when partitioning is needed in Azure Data Lake Storage Gen2Design the serving layerDesign star schemasDesign slowly changing dimensionsDesign a dimensional hierarchyDesign a solution for temporal dataDesign for incremental loadingDesign analytical storesDesign metastores in Azure Synapse Analytics and Azure DatabricksImplement physical data storage structuresImplement compressionImplement partitioning Implement shardingImplement different table geometries with Azure Synapse Analytics poolsImplement data redundancyImplement distributionsImplement data archivingImplement logical data structuresBuild a temporal data solutionBuild a slowly changing dimensionBuild a logical folder structureBuild external tablesImplement file and folder structures for efficient querying and data pruningImplement the serving layerDeliver data in a relational starDeliver data in Parquet filesMaintain metadataImplement a dimensional hierarchyDesign and develop data processing (25-30%)Ingest and transform dataTransform data by using Apache SparkTransform data by using Transact-SQLTransform data by using Data FactoryTransform data by using Azure Synapse PipelinesTransform data by using Stream AnalyticsCleanse dataSplit dataShred JSONEncode and decode dataConfigure error handling for the transformationNormalize and denormalize valuesTransform data by using ScalaPerform data exploratory analysisDesign and develop a batch processing solutionDevelop batch processing solutions by using Data Factory, Data Lake, Spark, Azure Synapse Pipelines, PolyBase, and Azure DatabricksCreate data pipelinesDesign and implement incremental data loadsDesign and develop slowly changing dimensionsHandle security and compliance requirementsScale resourcesConfigure the batch sizeDesign and create tests for data pipelinesIntegrate Jupyter/Python notebooks into a data pipelineHandle duplicate dataHandle missing dataHandle late-arriving dataUpsert dataRegress to a previous stateDesign and configure exception handlingConfigure batch retentionDesign a batch processing solutionDebug Spark jobs by using the Spark UIDesign and develop a stream processing solutionDevelop a stream processing solution by using Stream Analytics, Azure Databricks, and Azure Event HubsProcess data by using Spark structured streamingMonitor for performance and functional regressionsDesign and create windowed aggregatesHandle schema driftProcess time series dataProcess across partitionsProcess within one partitionConfigure checkpoints/watermarking during processingScale resourcesDesign and create tests for data pipelinesOptimize pipelines for analytical or transactional purposesHandle interruptionsDesign and configure exception handlingUpsert dataReplay archived stream dataDesign a stream processing solutionManage batches and pipelinesTrigger batchesHandle failed batch loadsValidate batch loadsManage data pipelines in Data Factory/Synapse PipelinesSchedule data pipelines in Data Factory/Synapse PipelinesImplement version control for pipeline artifactsManage Spark jobs in a pipelineDesign and implement data security (10-15%)Design security for data policies and standardsDesign data encryption for data at rest and in transitDesign a data auditing strategyDesign a data masking strategyDesign for data privacyDesign a data retention policyDesign to purge data based on business requirementsDesign Azure role-based access control (Azure RBAC) and POSIX-like Access Control List (ACL) for Data Lake Storage Gen2Design row-level and column-level securityImplement data securityImplement data maskingEncrypt data at rest and in motionImplement row-level and column-level securityImplement Azure RBACImplement POSIX-like ACLs for Data Lake Storage Gen2Implement a data retention policyImplement a data auditing strategyManage identities, keys, and secrets across different data platform technologiesImplement secure endpoints (private and public)Implement resource tokens in Azure DatabricksLoad a DataFrame with sensitive informationWrite encrypted data to tables or Parquet filesManage sensitive informationMonitor and optimize data storage and data processing (10-15%)Monitor data storage and data processingImplement logging used by Azure MonitorConfigure monitoring servicesMeasure performance of data movementMonitor and update statistics about data across a systemMonitor data pipeline performanceMeasure query performanceMonitor cluster performanceUnderstand custom logging optionsSchedule and monitor pipeline testsInterpret Azure Monitor metrics and logsInterpret a Spark directed acyclic graph (DAG)Optimize and troubleshoot data storage and data processingCompact small filesRewrite user-defined functions (UDFs)Handle skew in dataHandle data spillTune shuffle partitionsFind shuffling in a pipelineOptimize resource managementTune queries by using indexersTune queries by using cacheOptimize pipelines for analytical or transactional purposesOptimize pipeline for descriptive versus analytical workloadsTroubleshoot a failed spark jobTroubleshoot a failed pipeline runOverall, the Microsoft Azure DP-203 Data Engineering Certification Practice Exam is an excellent resource for individuals seeking to advance their career in data engineering. It provides a comprehensive and effective means of preparing for the DP-203 certification exam, while also enhancing users' knowledge and skills in this field.

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