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| Question.1 Which role works with Azure Cognitive Services, Cognitive Search, and the Bot Framework? (A) A data engineer (B) A data scientist (C) An AI engineer (D) None of These |
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Answer is (C) An AI engineer
Artificial intelligence (AI) engineers work with AI services such as Cognitive Services, Cognitive Search, and the Bot Framework.
Data engineers are responsible for the provisioning and configuration of both on-premises and cloud data platform technologies.
Data scientists perform advanced analytics to help drive value from data.
| Question.2 Azure Databricks encapsulates which Apache Storage technology? (A) Apache HDInsight (B) Apache Hadoop (C) Apache Spark (D) None of These |
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Answer is (C)Â Apache Spark
Azure Databricks is an Apache Spark-based analytics platform optimized for the Microsoft Azure.
Apache HDInsight does not exist, Azure HDInsight is a fully managed, full-spectrum, open-source analytics service for enterprises. HDInsight is a cloud service that makes it easy, fast, and cost-effective to process massive amounts of data.
Apache Hadoop is the original open-source framework for distributed processing and analysis of big data sets on clusters.
| Question.3 Which security features does Azure Databricks not support? (A) Azure Active Directory (B) Shared Access Keys (C) Role-based access (D) None of These |
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Answer is (B) Shared Access Keys
Shared Access Keys are a security feature used within Azure storage accounts. Azure Active Directory and Role-based access are supported security features in Azure Databricks.
| Question.4 Which of the following Azure Databricks is used for support for R, SQL, Python, Scala, and Java? (A) MLlib (B) GraphX (C) Spark Core API (D) None of These |
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Answer is (C) Spark Core API
Spark Core API support for R, SQL, Python, Scala, and Java in Azure Databricks.
MLlib is the Machine Learning library consisting of common learning algorithms and utilities, including classification, regression, clustering, collaborative filtering, dimensionality reduction, as well as underlying optimization primitives.
GraphX provides graphs and graph computation for a broad scope of use cases from cognitive analytics to data exploration.
| Question.5 Which Notebook format is used in Databricks? (A) DBC (B) .notebook (C) .spark (D) None of These |
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Answer is (A) D-B-C
dbc file types are the supported Databricks notebook format. There is no no .notebook or .spark file format available.