IBM Big Data Engineer practice Tests Certification 2021

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About IBM Big Data Engineer

This certification is intended for IBM Big Data Engineers. The Big Data Engineer works directly with the Data Architect and hands-on Developers to convert the architect’s Big Data vision and blueprint into a Big Data reality. The Data Engineer possesses a deep level of technical knowledge and experience across a wide array of products and technologies.

Prerequisite for the exam

Understand the data layer and particular areas of potential challenge/risk in the data layer

Ability to translate functional requirements into technical specifications.

Ability to take overall solution/logical architecture and provide physical architecture.

Understand Cluster Management

Understand Network Requirements

Understand Important interfaces

Understand Data Modeling

Ability to identify/support non-functional requirements for the solution

Understand Latency

Understand Scalability

Understand High Availability

Understand Data Replication and Synchronization

Understand Disaster Recovery

Understand Overall performance (Query Performance, Workload Management, Database Tuning)

Propose recommended and/or best practices regarding the movement, manipulation, and storage of data in a big data solution (including, but not limited to:

Understand Data ingestion technical options

Understand Data storage options and ramifications (for example , understand the additional requirements and challenges introduced by data in the cloud)

Understand Data querying techniques & availability to support analytics

Understand Data lineage and data governance

Understand Data variety (social, machine data) and data volume

Understand/Implement and provide guidance around data security to support implementation, including but not limited to:

  • Understand LDAP Security

  • Understand User Roles/Security

  • Understand Data Monitoring

  • Understand Personally Identifiable Information (PII) Data Security considerations

Course Outline

1. Data Loading

Load unstructured data into InfoSphere BigInsights

Import streaming data into Hadoop using InfoSphere Streams

Create a BigSheets workbook

Import data into Hadoop and create Big SQL table definitions

Import data to HBase

Import data to Hive

Use Data Click to load from relational sources into InfoSphere BigInsights with a self-service process

Extract data from a relational source using Sqoop

Load log data into Hadoop using Flume

Insert data via IBM General Parallel File System (GPFS) Posix file system API

Load data with Hadoop command line utility

2. Data Security

Keep data secure within PCI standards

Uses masking (e.g. Optim, Big SQL), and redaction to protect sensitive data

3. Architecture and Integration

Implement MapReduce

Evaluate use cases for selecting Hive, Big SQL, or HBase

Create and/or query a Solr index

Evaluate use cases for selecting potential file formats (e.g. JSON, CSV, Parquet, Sequence, etc..)

Utilize Apache Hue for search visualization

4. Performance and Scalability

Use Resilient Distributed Dataset (RDD) to improve MapReduce performance

Choose file formats to optimize performance of Big SQL, JAQL, etc.

Make specific performance tuning decisions for Hive and HBase

Analyze performance considerations when using Apache Spark

5. Data Preparation, Transformation, and Export

Use Jaql query methods to transform data in InfoSphere BigInsights

Capture and prep social data for analytics

Integrating SPSS model scoring in InfoSphere Streams

Implement entity resolution within a Big Data platform (e.g. Big Match)

Utilize Pig for data transformation and data manipulation

Use Big SQL to transform data in InfoSphere BigInsights

Export processing results out of Hadoop (e.g. DataClick, DataStage, etc.)

Utilize consistent regions in InfoSphere Streams to ensure at least once processing

Author(s): wassim Elhgali

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