Professional Data Engineer Exam Details
Like other Google exams, this exam also consists of multiple choice and multiple select questions. Consider the fact that you need to pay $200 for the registration. After that, you will access the test for 2 hours which is presented either in English or Japanese. Moreover, you can either take the exam online or have to find a test center near your place to take this test.
There is no formal prerequisite for the exam but it is recommended to have 3-4 years of experience within the data engineering field and to be responsible for the tasks related to data engineering and machine learning. So, on the final test day, you need to have exhaustive knowledge about these domains to perform your best.
- Building data processing systems
- Operationalizing machine learning models
- Providing solution quality
- Designing data processing systems
Building & Operationalizing Data Processing Systems
Within this subject area, the test takers should show that they know how to build and operationalize storage systems. Specifically, they need to be conversant with effective use of managed services (such as Cloud Bigtable, Cloud SQL, Cloud Spanner, BigQuery, Cloud Storage, Cloud Memorystore, Cloud Datastore), storage costs & performance, and lifecycle management of data. The students should also be capable of building as well as operationalizing pipelines, including such technical tasks as data cleansing, transformation, batch & streaming, data acquisition & import, and integrating with new data sources. Apart from that, the candidates need to have sufficient competency to build and operationalize the processing infrastructure. This includes a good comprehension of provisioning resources, adjusting pipelines, monitoring pipelines, as well as testing & quality control.
Reference: https://cloud.google.com/certification/data-engineer
Google Professional-Data-Engineer Exam Overview:
| Certification Vendor: | Google Cloud |
| Exam Name: | Google Cloud Certified Professional Data Engineer |
| Exam Number: | Professional-Data-Engineer |
| Certificate Validity Period: | 2 years |
| Passing Score: | Not officially published (estimated ~80%) |
| Exam Format: | Multiple-choice, Multiple-select |
| Real Exam Qty: | 50-60 |
| Related Certifications: | Google Cloud Certified Professional Data Engineer |
| Available Languages: | Japanese, English |
| Exam Duration: | 120 minutes |
| Exam Price: | $200 USD |
| Sample Questions: | Google Professional-Data-Engineer Sample Questions |
| Exam Way: | Online (remote proctored) or at a testing center (Kryterion) |
| Pre Condition: | No mandatory prerequisites. Recommended: 3+ years of industry experience including 1+ years designing and managing solutions using Google Cloud. |
| Official Syllabus URL: | https://cloud.google.com/learn/certification/data-engineer |
Google Professional-Data-Engineer Exam Syllabus Topics:
| Section | Weight | Objectives |
| Ingesting and processing the data (~20% of the exam) | 20% | - Building and maintaining data structures and databases
- 1. Defining data lifecycle
- 2. Planning for analytical and operational use cases
- Deploying and operationalizing the pipelines
- 1. CI/CD for data pipelines
- 2. Job automation and orchestration (Cloud Composer, Workflows)
- Performing security considerations
- 1. Auditing, privacy, and compliance
- 2. Data encryption
- 3. Identity and Access Management (IAM)
|
| Preparing and using data for analysis (~15% of the exam) | 15% | - Preparing data for visualization
- 1. Connecting to Looker and other BI tools
- 2. Preparing data for reporting and dashboards
- Sharing data securely
- 1. Data sharing and collaboration
- 2. Publishing datasets
|
| Storing the data (~20% of the exam) | 20% | - Planning for using a data warehouse
- 1. Mapping business requirements
- 2. Designing the data model
- 3. Deciding the degree of data normalization
- 4. Defining architecture to support data access patterns
- Selecting storage systems
- 1. Planning for storage costs and performance
- 2. Analyzing data access patterns
- 3. Lifecycle management of data
- Designing for a data platform
- 1. Building a federated governance model for distributed data systems
- 2. Building a data platform using Dataplex, Dataplex Catalog, BigQuery, Cloud Storage
- Using a data lake
- 1. Monitoring the data lake
- 2. Processing data
- 3. Managing the lake (data discovery, access, cost controls)
|
| Designing data processing systems (~30% of the exam) | 30% | - Selecting appropriate storage technologies
- 1. Choosing between BigQuery, Bigtable, Spanner, Cloud SQL, Cloud Storage, Firestore, Memorystore, AlloyDB
- 2. Mapping storage options to business requirements
- Designing data processing resources
- 1. Cluster sizing and autoscaling
- 2. Compute options (Dataflow, Dataproc, Dataplex, Cloud Functions, Cloud Run)
- 3. Cost optimization
- Designing data pipelines
- 1. Streaming (e.g., windowing, late arriving data)
- 2. Batch processing
- 3. Processing logic
- 4. Integrating with new data sources
- 5. AI data enrichment
- 6. Data acquisition and import
|
| Maintaining and automating data workloads (~15% of the exam) | 15% | - Monitoring data pipelines and data processes
- 1. Managing quotas and resource usage
- 2. Logging, monitoring, and troubleshooting
- Automating data processes
- 1. Scheduling jobs
- 2. Workflow orchestration
- 3. Continuous integration and continuous deployment (CI/CD)
- Designing for reliability and fidelity
- 1. Planning for monitoring and alerting
- 2. Recovering from failures
- 3. Performing data quality and validation checks
|
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