Free Oracle 1z1-449 Exam Dumps Questions & Answers

The NoSQL KVStore experiences a node failure. One of the replicas is promoted to primary.
How will the NoSQL client that accesses the store know that there has been a change in the architecture?

• A.  The Shard State Table (SST) contains information about each shard and the master and replica status for the shard.
• B.  The NoSQL admin agent updates the NoSQL client with the status of the master and replica.
• C.  KVStoreConfig sends the status of the master and replica to the NoSQL client.
• D.  The KVLite utility updates the NoSQL client with the status of the master and replica.

The hdfs_stream script is used by the Oracle SQL Connector for HDFS to perform a specific task to access data.
What is the purpose of this script?

• A.  It is the preprocessor script for the Oracle partitioned table.
• B.  It is the preprocessor script for the Impala table.
• C.  It is the preprocessor script for the HDFS external table.
• D.  It is the streaming script that creates a database directory.
• E.  It defines the jar file that points to the directory where Hive is installed.

What are the two roles performed by the Big Data Appliance and the Exadata Database
Machine in an Oracle Big Data Management solution? (Choose two.)

• A.  Data Reservoir
• B.  Data Definer
• C.  Data Integrator
• D.  Data Connector
• E.  Data Warehouse
• F.  Data Analyzer

How does the Sqoop Server handle a job that was discontinued by a restart?

• A.  by continuing the loading of data
• B.  by stopping the loading of data
• C.  by rolling back the load
• D.  by sending an alert and waiting to resume the job

What are the two advantages of using Hive over MapReduce? (Choose two.)

• A.  Hive allows for sophisticated analytics on large data sets.
• B.  Hive does not require MapReduce to run in order to analyze data.
• C.  Hive is a free tool; Hadoop requires a license.
• D.  Hive is much faster than MapReduce because it accesses data directly.
• E.  Hive simplifies Hadoop for new users.