14 02 2018

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Question No : 1
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You are implementing a batch processing solution by using Azure HDInsight. You have a table that contains sales data.
You plan to implement a query that will return the number of orders by zip code.

You need to minimize the execution time of the queries and to maximize the compression level of the resulting data.

What should you do?

A.    Use a shuffle join in an Apache Hive query that stores the data in a JSON format.
B.    Use a broadcast join in an Apache Hive query that stores the data in an ORC format.
C.    Increase the number of spark.executor.cores in an Apache Spark job that stores the data in a text format.
D.    Increase the number of spark.executor.instances in an Apache Spark job that stores the data in a text format.
E.    Decrease the level of parallelism in an Apache Spark job that stores the data in a text format.
F.    Use an action in an Apache Oozie workflow that stores the data in a text format.
G.    Use an Azure Data Factory linked service that stores the data in Azure Data Lake.
H.    Use an Azure Data Factory linked service that stores the data in an Azure DocumentDB database.

Answer: B

Question No : 2
You are configuring the Hive views on an Azure HDInsight cluster that is configured to use Kerberos.

You need to view the method, the service, and the authenticated account used to run the query.

Which method call should you view in the YARN logs?

A.    HQL
B.    WebHDFS
C.    HDFS C* API
D.    Ambari RESR API

Answer: D

Question No : 3
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You need to deploy an HDInsight cluster that will provide in-memory processing, interactive queries, and micro-batch stream processing. The cluster has the following requirements:

What should you do?

A.    Use an Azure PowerShell script to create and configure a premium HDInsight cluster. Specify Apache Hadoop as the cluster type and use Linux as the operating system.
B.    Use the Azure portal to create a standard HDInsight cluster. Specify Apache Spark as the cluster type and use Linux as the operating system.
C.    Use an Azure PowerShell script to create a standard HDInsight cluster. Specify Apache HBase as the cluster type and use Windows as the operating system.
D.    Use an Azure PowerShell script to create a standard HDInsight cluster. Specify Apache Storm as the cluster type and use Windows as the operating system.
E.    Use an Azure PowerShell script to create a premium HDInsight cluster. Specify Apache HBase as the cluster type and use Linux as the operating system.
F.    Use an Azure portal to create a standard HDInsight cluster. Specify Apache Interactive Hive as the cluster type and use Linux as the operating system.
G.    Use an Azure portal to create a standard HDInsight cluster. Specify Apache HBase as
Answer: B Explanation:

References: https://docs.microsoft.com/en-us/azure/hdinsight/hdinsight-apache-spark- overview

Question No : 4
You have an Apache Spark cluster in Azure HDInsight. You execute the following command.

What is the result of running the command?

A.    the Hive ORC library is imported to Spark and external tables in ORC format are created
B.    the Spark library is imported and the data is loaded to an Apache Hive table
C.    the Hive ORC library is imported to Spark and the ORC-formatted data stored in Apache Hive tables becomes accessible
D.    the Spark library is imported and Scala functions are executed

Answer: C

Question No : 5
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each

provided in a question apply only to that question.

You need to deploy an HDInsight cluster that will have a custom Apache Ambari configuration. The cluster will be joined to a domain and must perform the following:

What should you do?

Answer: C Explanation:

References: https://docs.microsoft.com/en-us/azure/hdinsight/hdinsight-hadoop- introduction

Question No : 6
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You are building a security tracking solution in Apache Kafka to parse security logs. The security logs record an entry each time a user attempts to access an application. Each log entry contains the IP address used to make the attempt and the country from which the attempt originated.

You need to receive notifications when an IP address from outside of the United States is used to access the application.

Solution: Create two new consumers. Create a file import process to send messages. Start the producer.

Does this meet the goal?

A. Yes
B. No

Answer: B

Question No : 7 DRAG DROP

You have an Apache Hive cluster in Azure HDInsight.

You need to tune a Hive query to meet the following requirements:

How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.

Answer:

Question No : 8 DRAG DROP

You have a domain-joined Azure HDInsight cluster. You plan to assign permissions to several support staff.
You need to assign roles to the staff so that they can perform specific tasks. The solution must use the principle of least privilege.

Which role should you assign for each task? To answer, drag the appropriate roles to the correct targets. Each role may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

Answer:

Question No : 9 DRAG DROP

You have a domain-joined Apache Hadoop cluster in Azure HDInsight named hdicluster. The Linux account for hdicluster is named Inxuser.

Your Active Directory account is named [email protected]. You need to run Hadoop commands from an SSH session.
Which credentials should you use? To answer, drag the appropriate credentials to the correct commands. Each credential may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

NOTE: Each correct selection is worth one point.

Answer:
Explanation:

References: https://docs.microsoft.com/en-us/azure/hdinsight/hdinsight-hadoop-linux-use- ssh-unix

Question No : 10
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You are implementing a batch processing solution by using Azure HDInsight.

You need to integrate Apache Sqoop data and to chain complex jobs. The data and the jobs will implement MapReduce.

What should you do?

Answer: F

Explanation:

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