Oracle Big Data 2017 Implementation Essentials - 1z1-449 Exam Practice Test

How does the Oracle SQL Connector for HDFS access HDFS data from the Oracle database?

Your customer uses Active Directory to manage user accounts. You are setting up Hadoop
Security for the customer's Big Data Appliance.
How will you integrate Hadoop and Active Directory?

Your customer has a Big Data Appliance and an Exadata Database Machine and would like to extend security. Select two ways that security works in Big Data SQL. (Choose two.)

Your customer completed all the Kerberos installation prerequisites when the Big Data
Appliance was set up. However, when the customer tries to use Kerberos authentication, it gets an error.
Which command did the customer fail to run?

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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How should you control the Sqoop parallel imports if the data does not have a primary key?

Your customer needs to access Hive tables, HDFS, and Data Pump format files as the data source.
When installing and configuring the Oracle SQL Connector for HDFS, which two locations must be installed or configured to fulfill this requirement? (Choose two.)

The hdfs_stream script is used by the Oracle SQL Connector for HDFS to perform a specific task to access data.
What is the purpose of this script?