1z0-449 Oracle Big Data 2016 Implementation Essentials

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Showing 1–3 of 10 questions

Question 1

What are two reasons that a MapReduce job is not run when the following command is executed in Hive? (Choose two.)

hive> create view v_consolidated_credit_products as select

hcd.customer_id, hcd.credit_card_limits, hcd.credit_balance, hmda.n_mortgages, hmda.mortgage_amount

from mortgages_department_agg hmda join credit_department hcd on

hcd.customer_id=hmda.customer_id;

OK

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Select all that apply, then click Submit answer.

  • The MapReduce job is run when the view is accessed.

  • MapReduce is run; the command output is incorrect.

  • MapReduce is not run with Hive. Hive bypasses the MapReduce layer.

  • A view only defines the metadata in the RDBMS store.

  • MapReduce is run in the background.

Question 2

What are two of the main steps for setting up Oracle XQuery for Hadoop? (Choose two.)

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  • unpacking the contents of oxh-version.zip into the installation directory

  • installing the Oracle SQL Connector for Hadoop

  • configuring an Oracle wallet

  • installing the Oracle Loader for Hadoop

Question 3

Which three pieces of hardware are present on each node of the Big Data Appliance? (Choose three.)

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  • high capacity SAS disks

  • memory

  • redundant Power Delivery Units

  • InfiniBand ports

  • InfiniBand leaf switches