1z1-449 試験問題を無料オンラインアクセス

During a meeting with your customer's IT security team, you are asked the names of the main OS users and groups for the Big Data Appliance.
Which users are created automatically during the installation of the Oracle Big Data
Appliance?

• A.mapred, bda, and engsys
• B.hbase, cdh5, and oracle
• C.bda, cdh5, and oracle
• D.flume, hbase, and hdfs

Which command should you use to view the contents of the HDFS directory,
/user/oracle/logs?

• A.hadoop fs -cat /user/oracle/logs
• B.cd /user/oraclehadoop fs -ls logs
• C.hive> select * from /user/oracle/logs
• D.cd /user/oracle/logshadoop fs -ls *
• E.hadoop fs -ls /user/oracle/logs
• F.hadoop fs -listfiles /user/oracle/logs

Your customer needs to move data from Hive to the Oracle database but does have any connectors purchased.
What is another architectural choice that the customer can make?

• A.Use Apache Pig.
• B.Export data from Hive by using export/import.
• C.Use Apache Sentry.
• D.Use Apache Sqoop.

Your customer's IT staff is made up mostly of SQL developers. Your customer would like you to design a system to analyze the spending patterns of customers in the web store.
The data resides in HDFS.
What tool should you use to meet their needs?

• A.Oracle Database 12c
• B.MapReduce
• C.Oracle Data Integrator
• D.SQL Developer
• E.Apache Hive

What happens if an active NameNode fails in the Oracle Big Data Appliance?

• A.The entire cluster fails.
• B.ClouderaManager starts a NameNode process on a surviving node.
• C.The ResourceManager starts a NameNode process on a surviving node.
• D.All traffic is directed to the master DataNode until the NameNode is restarted.
• E.The role of the active NameNode fails over automatically to the standby NameNode.