Oracle 1Z0-928 Online Practice Questions and Exam Preparation

Oracle 1Z0-928 Online Questions & Answers

• Question 11:

  Which security capability is NOT automatically enabled in Oracle Big Data Cloud Service?

  A. Encryption for data at rest
  B. Fine-grained, role based authorization
  C. Kerberos
  D. Apache Metron Big Data Security
  E. Auditing with Cloudera Navigator and Oracle Audit Vault
  A. Encryption for data at rest

• Question 12:

  Which component is NOT a process component of YARN?

  A. Container
  B. Node Manager
  C. Resource Manager
  D. Data Node
  D. Data Node

• Question 13:

  Which statement is true about Big Data File System in Oracle Big Data Cloud?

  A. It is a transparent distributed cache layer.
  B. It supports HDFS as a datalake concept.
  C. It is a block storage layer.
  D. It offers block storage with NVMe-based SSD.
  C. It is a block storage layer.

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  Reference: https://docs.oracle.com/en/cloud/paas/big-data-compute-cloud/csspc/big-data-file-system-bdfs.html

• Question 14:

  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. Apache Ambari
  C. MapR Control System
  D. Oracle Enterprise Manager
  B. Apache Ambari

• Question 15:

  Which function CANNOT be performed using Sentry?

  A. ability to give users access to a subset of data
  B. ability to create OS users and control access on data for OS users
  C. ability to control access to data and/or privileges on that data for authenticated users
  D. ability to create/apply template-based privileges based on functional roles
  D. ability to create/apply template-based privileges based on functional roles

• Question 16:

  What is the result of the FLATMAP () function in Spark?

  A. It always returns a new RDD by passing the supplied function used to filter the results.
  B. It always returns a new RDD that contains elements in the source dataset and the argument.
  C. It always returns an RDD with 0, 1, or more elements.
  D. It always returns an RDD with identical size of the input RDD.
  A. It always returns a new RDD by passing the supplied function used to filter the results.

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  Reference: https://backtobazics.com/big-data/spark/apache-spark-flatmap-example/

• Question 17:

  When all the members of your team log in to their Oracle Cloud account, on the Dashboard they see two services: Oracle Big Data Cloud Service and Oracle Database Cloud Service. There is a lot of data in the Hadoop cluster of your Oracle Big Data Cloud Service.

  Which Oracle Big Data Connector will easily allow your database users to see the data in the Hadoop cluster?

  A. osch
  B. oxh
  C. od4h
  D. olh
  D. olh

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  Reference: https://docs.oracle.com/cd/E27101_01/doc.10/e27365/start.htm#CHDJIBGI

• Question 18:

  As the Big Data Cloud Service Administrator, you need to access one of the cluster nodes. Using secure shell, what are the two things you will need in order to access the node?

  A. Name of the cluster node
  B. Private ssh key pair
  C. Name of the service instance
  D. IP Address of the cluster node
  E. Public ssh key pair
  B. Private ssh key pair
  D. IP Address of the cluster node

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  Reference: https://docs.oracle.com/en/cloud/paas/big-data-cloud/csbdi/connect-cluster-node-secure-shell-ssh.html#GUID-29C53AFA-66ED-4649-9A3B-2B5480EC5B53

• Question 19:

  Which two are possible integration options that can be used to integrate data between Oracle database table with LOB columns and data stored in Hadoop HDFS?

  A. Use SQOOP JDBC based imports
  B. Use FLUME with database source along with HDFS file Source agents to integrate data
  C. Use SQOOP with -direct option
  D. Use Oracle SQL connector for Hadoop
  D. Use Oracle SQL connector for Hadoop

• Question 20:

  During provisioning, which can you create in order to integrate Big Data Cloud with Other Oracle PaaS services?

  A. Attachments
  B. Associations
  C. Couplings
  D. Data Pipelines
  B. Associations