1z0-449 試験問題を無料オンラインアクセス

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

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

Your customer's security team needs to understand how the Oracle Loader for Hadoop
Connector writes data to the Oracle database.
Which service performs the actual writing?

• A.OLH agent
• B.map tasks
• C.NameNode
• D.write tasks
• E.reduce tasks

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

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

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

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

You recently set up a customer's Big Data Appliance. At the time, all users wanted access to all the Hadoop data. Now, the customer wants more control over the data that is stored in Hadoop.
How should you accommodate this request?

• A.Configure Audit Vault and Database Firewall protection policies for the Hadoop data.
• B.Configure Apache Sentry policies to protect the Hadoop data.
• C.Configure an /etc/sudoers file to restrict the Hadoop data.
• D.Update the MySQL metadata for Hadoop to define access control lists.