1z1-449 무료 덤프문제 온라인 액세스

Which statement is true about the NameNode in Hadoop?

• A.A query in Hadoop requires a MapReduce job to be run so the NameNode gets the location of the data from the JobTracker.
• B.All data passes through the NameNode; so if it is not sized properly, it could be a potential bottleneck.
• C.If the NameNode goes down and a secondary NameNode has not been defined, the cluster is still accessible.
• D.When loading data, the NameNode tells the client or program where to write the data.

What two things does the Big Data SQL push down to the storage cell on the Big Data
Appliance? (Choose two.)

• A.PL/SQL evaluation
• B.Business Intelligence queries from connected Exalytics servers
• C.the column selection of data from individual Hadoop nodes
• D.Transparent Data Encrypted data
• E.WHERE clause evaluations

You are attempting to start KVLite but get an error about the "port being in use".
What is the reason for the error?

• A.The port was not specified so the default port 3889 (the same port as Enterprise Manager) was used.
• B.KVLite was trying to register on port 5000 when it was already running.
• C.The listener was not started.
• D.KVStore was also running, and KVStore and KVLite cannot run simultaneously on the same server.

Your customer is setting up an external table to provide read access to the Hive table to
Oracle Database.
What does hdfs:/user/scott/data refer to in the external table definition for the Oracle SQL
Connector for HDFS?

• A.the default directory for the Oracle external table
• B.the location for the log directory
• C.the location of the Oracle data file for SALES_DP_XTAB
• D.the local file system location for the data
• E.the location of the HDFS input data

What access driver does the Oracle SQL Connector for HDFS use when reading HDFS data by using external tables?

• A.ORACLE_HIVE_LOADER
• B.HADOOP_LOADER
• C.ORACLE_DATA_PUMP
• D.ORACLE_BDSQL
• E.ORACLE_HDP
• F.ORACLE_LOADER