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9781119618430

Official Google Cloud Certified Professional Data Engineer Study Guide

by
  • ISBN13:

    9781119618430

  • ISBN10:

    1119618436

  • Format: Paperback
  • Copyright: 2020-05-12
  • Publisher: Sybex Inc

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Summary

The proven Study Guide that prepares you for this new Google Cloud exam

The Google Cloud Certified Professional Data Engineer Study Guide, provides everything you need to prepare for this important exam and master the skills necessary to land that coveted Google Cloud Professional Data Engineer certification. Beginning with a pre-book assessment quiz to evaluate what you know before you begin, each chapter features exam objectives and review questions, plus the online learning environment includes additional complete practice tests. 

Written by Dan Sullivan, a popular and experienced online course author for machine learning, big data, and Cloud topics, Google Cloud Certified Professional Data Engineer Study Guide is your ace in the hole for deploying and managing analytics and machine learning applications. 

•    Build and operationalize storage systems, pipelines, and compute infrastructure

•    Understand machine learning models and learn how to select pre-built models

•    Monitor and troubleshoot machine learning models

•    Design analytics and machine learning applications that are secure, scalable, and highly available. 

This exam guide is designed to help you develop an in depth understanding of data engineering and machine learning on Google Cloud Platform.

Author Biography

DAN SULLIVAN is a software architect specializing in data architecture, machine learning, and cloud computing. Dan is a Google Cloud Certified Professional Data Engineer, Professional Architect, and Associate Cloud Engineer. Dan is the author of six books and numerous articles. He is an instructor with LinkedIn Learning and Udemy for Business.

Table of Contents

Introduction xxiii

Assessment Test xxix

Chapter 1 Selecting Appropriate Storage Technologies 1

From Business Requirements to Storage Systems 2

Ingest 3

Store 5

Process and Analyze 6

Explore and Visualize 8

Technical Aspects of Data: Volume, Velocity, Variation, Access, and Security 8

Volume 8

Velocity 9

Variation in Structure 10

Data Access Patterns 11

Security Requirements 12

Types of Structure: Structured, Semi-Structured, and Unstructured 12

Structured: Transactional vs. Analytical 13

Semi-Structured: Fully Indexed vs. Row Key Access 13

Unstructured Data 15

Google’s Storage Decision Tree 16

Schema Design Considerations 16

Relational Database Design 17

NoSQL Database Design 20

Exam Essentials 23

Review Questions 24

Chapter 2 Building and Operationalizing Storage Systems 29

Cloud SQL 30

Configuring Cloud SQL 31

Improving Read Performance with Read Replicas 33

Importing and Exporting Data 33

Cloud Spanner 34

Configuring Cloud Spanner 34

Replication in Cloud Spanner 35

Database Design Considerations 36

Importing and Exporting Data 36

Cloud Bigtable 37

Configuring Bigtable 37

Database Design Considerations 38

Importing and Exporting 39

Cloud Firestore 39

Cloud Firestore Data Model 40

Indexing and Querying 41

Importing and Exporting 42

BigQuery 42

BigQuery Datasets 43

Loading and Exporting Data 44

Clustering, Partitioning, and Sharding Tables 45

Streaming Inserts 46

Monitoring and Logging in BigQuery 46

BigQuery Cost Considerations 47

Tips for Optimizing BigQuery 47

Cloud Memorystore 48

Cloud Storage 50

Organizing Objects in a Namespace 50

Storage Tiers 51

Cloud Storage Use Cases 52

Data Retention and Lifecycle Management 52

Unmanaged Databases 53

Exam Essentials 54

Review Questions 56

Chapter 3 Designing Data Pipelines 61

Overview of Data Pipelines 62

Data Pipeline Stages 63

Types of Data Pipelines 66

GCP Pipeline Components 73

Cloud Pub/Sub 74

Cloud Dataflow 76

Cloud Dataproc 79

Cloud Composer 82

Migrating Hadoop and Spark to GCP 82

Exam Essentials 83

Review Questions 86

Chapter 4 Designing a Data Processing Solution 89

Designing Infrastructure 90

Choosing Infrastructure 90

Availability, Reliability, and Scalability of Infrastructure 93

Hybrid Cloud and Edge Computing 96

Designing for Distributed Processing 98

Distributed Processing: Messaging 98

Distributed Processing: Services 101

Migrating a Data Warehouse 102

Assessing the Current State of a Data Warehouse 102

Designing the Future State of a Data Warehouse 103

Migrating Data, Jobs, and Access Controls 104

Validating the Data Warehouse 105

Exam Essentials 105

Review Questions 107

Chapter 5 Building and Operationalizing Processing Infrastructure 111

Provisioning and Adjusting Processing Resources 112

Provisioning and Adjusting Compute Engine 113

Provisioning and Adjusting Kubernetes Engine 118

Provisioning and Adjusting Cloud Bigtable 124

Provisioning and Adjusting Cloud Dataproc 127

Configuring Managed Serverless Processing Services 129

Monitoring Processing Resources 130

Stackdriver Monitoring 130

Stackdriver Logging 130

Stackdriver Trace 131

Exam Essentials 132

Review Questions 134

Chapter 6 Designing for Security and Compliance 139

Identity and Access Management with Cloud IAM 140

Predefined Roles 141

Custom Roles 143

Using Roles with Service Accounts 145

Access Control with Policies 146

Using IAM with Storage and Processing Services 148

Cloud Storage and IAM 148

Cloud Bigtable and IAM 149

BigQuery and IAM 149

Cloud Dataflow and IAM 150

Data Security 151

Encryption 151

Key Management 153

Ensuring Privacy with the Data Loss Prevention API 154

Detecting Sensitive Data 154

Running Data Loss Prevention Jobs 155

Inspection Best Practices 156

Legal Compliance 156

Health Insurance Portability and Accountability Act (HIPAA) 156

Children’s Online Privacy Protection Act 157

FedRAMP 158

General Data Protection Regulation 158

Exam Essentials 158

Review Questions 161

Chapter 7 Designing Databases for Reliability, Scalability, and Availability 165

Designing Cloud Bigtable Databases for Scalability and Reliability 166

Data Modeling with Cloud Bigtable 166

Designing Row-keys 168

Designing for Time Series 170

Use Replication for Availability and Scalability 171

Designing Cloud Spanner Databases for Scalability and Reliability 172

Relational Database Features 173

Interleaved Tables 174

Primary Keys and Hotspots 174

Database Splits 175

Secondary Indexes 176

Query Best Practices 177

Designing BigQuery Databases for Data Warehousing 179

Schema Design for Data Warehousing 179

Clustered and Partitioned Tables 181

Querying Data in BigQuery 182

External Data Access 183

BigQuery ML 185

Exam Essentials 185

Review Questions 188

Chapter 8 Understanding Data Operations for Flexibility and Portability 191

Cataloging and Discovery with Data Catalog 192

Searching in Data Catalog 193

Tagging in Data Catalog 194

Data Preprocessing with Dataprep 195

Cleansing Data 196

Discovering Data 196

Enriching Data 197

Importing and Exporting Data 197

Structuring and Validating Data 198

Visualizing with Data Studio 198

Connecting to Data Sources 198

Visualizing Data 200

Sharing Data 200

Exploring Data with Cloud Datalab 200

Jupyter Notebooks 201

Managing Cloud Datalab Instances 201

Adding Libraries to Cloud Datalab Instances 202

Orchestrating Workflows with Cloud Composer 202

Airflow Environments 203

Creating DAGs 203

Airflow Logs 204

Exam Essentials 204

Review Questions 206

Chapter 9 Deploying Machine Learning Pipelines 209

Structure of ML Pipelines 210

Data Ingestion 211

Data Preparation 212

Data Segregation 215

Model Training 217

Model Evaluation 218

Model Deployment 220

Model Monitoring 221

GCP Options for Deploying Machine Learning Pipeline 221

Cloud AutoML 221

BigQuery ML 223

Kubeflow 223

Spark Machine Learning 224

Exam Essentials 225

Review Questions 227

Chapter 10 Choosing Training and Serving Infrastructure 231

Hardware Accelerators 232

Graphics Processing Units 232

Tensor Processing Units 233

Choosing Between CPUs, GPUs, and TPUs 233

Distributed and Single Machine Infrastructure 234

Single Machine Model Training 234

Distributed Model Training 235

Serving Models 236

Edge Computing with GCP 237

Edge Computing Overview 237

Edge Computing Components and Processes 239

Edge TPU 240

Cloud IoT 240

Exam Essentials 241

Review Questions 244

Chapter 11 Measuring, Monitoring, and Troubleshooting Machine Learning Models 247

Three Types of Machine Learning Algorithms 248

Supervised Learning 248

Unsupervised Learning 253

Anomaly Detection 254

Reinforcement Learning 254

Deep Learning 255

Engineering Machine Learning Models 257

Model Training and Evaluation 257

Operationalizing ML Models 262

Common Sources of Error in Machine Learning Models 263

Data Quality 264

Unbalanced Training Sets 264

Types of Bias 264

Exam Essentials 265

Review Questions 267

Chapter 12 Leveraging Prebuilt Models as a Service 269

Sight 270

Vision AI 270

Video AI 272

Conversation 274

Dialogflow 274

Cloud Text-to-Speech API 275

Cloud Speech-to-Text API 275

Language 276

Translation 276

Natural Language 277

Structured Data 278

Recommendations AI API 278

Cloud Inference API 280

Exam Essentials 280

Review Questions 282

Appendix Answers to Review Questions 285

Chapter 1: Selecting Appropriate Storage Technologies 286

Chapter 2: Building and Operationalizing Storage Systems 288

Chapter 3: Designing Data Pipelines 290

Chapter 4: Designing a Data Processing Solution 291

Chapter 5: Building and Operationalizing Processing Infrastructure 293

Chapter 6: Designing for Security and Compliance 295

Chapter 7: Designing Databases for Reliability, Scalability, and Availability 296

Chapter 8: Understanding Data Operations for Flexibility and Portability 298

Chapter 9: Deploying Machine Learning Pipelines 299

Chapter 10: Choosing Training and Serving Infrastructure 301

Chapter 11: Measuring, Monitoring, and Troubleshooting Machine Learning Models 303

Chapter 12: Leveraging Prebuilt Models as a Service 304

Index 307

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