1z0-449 무료 덤프문제 온라인 액세스

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?

• A.Denormalize the data.
• B.Offload the data into Hadoop.
• C.Move the data into the warehousing database.
• D.Use Oracle Data Integrator to improve performance.

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

• A.configuring an Oracle wallet
• B.installing the Oracle Loader for Hadoop
• C.installing the Oracle SQL Connector for Hadoop
• D.unpacking the contents of oxh-version.zip into the installation directory

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?

• A.Apache Grunt
• B.Impala
• C.native MapReduce Java programs
• D.HiveFastQL

How is Oracle Loader for Hadoop (OLH) better than Apache Sqoop?

• A.OLH performs a great deal of preprocessing of the data on the Oracle database before loading it into NoSQL.
• B.OLH does not use MapReduce to process any of the data, thereby increasing performance.
• C.OLH performs a great deal of preprocessing of the data on Hadoop before loading it into the database.
• D.OLH is fully supported on the Big Data Appliance. Apache Sqoop is not supported on the Big Data Appliance.
• E.OLH performs a great deal of preprocessing of the data on the Oracle database before loading it into Hadoop.

Your customer receives data in JSON format.
Which option should you use to load this data into Hive tables?

• A.Python
• B.a custom Java program
• C.Sqoop
• D.SerDe
• E.Flume