Oracle Big Data 2017 Implementation Essentials - 1z0-449 Exam Practice Test
You want to set up access control lists on your NameNode in your Big Data Appliance.
However, when you try to do so, you get an error stating "the NameNode disallows creation of ACLs."
What is the cause of the error?
However, when you try to do so, you get an error stating "the NameNode disallows creation of ACLs."
What is the cause of the error?
Correct Answer: D
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Your customer has had a security breach on its running Big Data Appliance and needs to quickly enable security for Hive and Impala.
What is the quickest way to enable the Sentry service?
What is the quickest way to enable the Sentry service?
Correct Answer: B
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You are working with a client who does not allow the storage of user or schema passwords in plain text.
How can you configure the Oracle Loader for Hadoop configuration file to meet the requirements of this client?
How can you configure the Oracle Loader for Hadoop configuration file to meet the requirements of this client?
Correct Answer: B
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Your customer is spending a lot of money on archiving data to comply with government regulations to retain data for 10 years.
How should you reduce your customer's archival costs?
How should you reduce your customer's archival costs?
Correct Answer: D
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Your customer is experiencing significant degradation in the performance of Hive queries.
The customer wants to continue using SQL as the main query language for the HDFS store.
Which option can the customer use to improve performance?
The customer wants to continue using SQL as the main query language for the HDFS store.
Which option can the customer use to improve performance?
Correct Answer: D
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Your customer collects diagnostic data from its storage systems that are deployed at customer sites. The customer needs to capture and process this data by country in batches.
Why should the customer choose Hadoop to process this data?
Why should the customer choose Hadoop to process this data?
Correct Answer: A
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Your customer wants you to set up ODI by using the IKM SQL to Hive module and overwrite existing Hive tables with the customer's new clinical data.
What parameter must be set to true?
What parameter must be set to true?
Correct Answer: A
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Identify two features of the Hadoop Distributed File System (HDFS). (Choose two.)
Correct Answer: A,C
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