Free Oracle 1Z0-928 Exam Dumps Questions & Answers

Which three statements are true about YARN?

• A.  Yarn does NOT support running multiple applications in a single Hadoop Cluster.
• B.  Yarn model functionality is identical to Apache Hadoop Map Reduce (MR1)
• C.  It provides Daemons and API to develop generic distributed applications.
• D.  Yarn can Run applications that follow MapReduce and Non MapRuduce Model like Graph Processing.
• E.  Yam combines the two major functionalities of Job tracker: Resource Management and Job Scheduling
• F.  It handles and schedules resource requests.

A financial company uses Hadoop cluster to store, process, and analyze all the stock trading data. They use a map reduce job to generate daily reports for their clients by 6 a.m. every using the data on adoop cluster. One of the data nodes in the cluster crashed due to hard disk failure.
What will be the impact?

• A.  HDFS replication factor ensured that report generation process runs to completion
• B.  Restore the data from backup to the new node and rerun the report
• C.  Downtime will be needed to replace the failed hard disk and rerun the report
• D.  Hadoop can reboot the tailed node automatically and rectify the faulty dink.

In which use case Event Hub Cloud Service (Apache Kafka) CANNOT be used?

• A.  for Data Integration (or streaming data
• B.  as a data pipeline solution for big data
• C.  for application development with micro services
• D.  as a relational data store

Big Data Cloud has Tools for easy provisioning, managing, and monitoring of Apache Hadoop clusters.
Which component does Oracle Big Data Cloud use as the platform stack for cluster orchestration and provisioning?

• A.  Cloudera Manager
• B.  Oracle Enterprise Manager
• C.  Apache AmbarI
• D.  Map R Control System

HDFS Transparent Encryption protects Hadoop data when you perform read and write operations on encrypted zones. The disk where the HDFS directories are stored will be automatically encrypted and decrypted. HDFS Transparent Encryption must have Kerberos enabled and two principals are created as part of the Kerberos configuration.
When are the two principals created?

• A.  They are Create when you create an HDFS directory.
• B.  They are automatically created in Big Data Cloud Service for Kerbos with your Oracle Cloud account.
• C.  They are Create when you create a cluster with Security Setup enabled.
• D.  They are Create when you create your service instance with Security Setup enabled.