[2026] Oracle Cloud Platform Big Data Management 2018 Associate

문제1

Which three statements are true about YARN?

A. Yarn model functionality is identical to Apache Hadoop Map Reduce (MR1)

B. It handles and schedules resource requests.

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. Yarn does NOT support running multiple applications in a single Hadoop Cluster.

정답: B,D,E

문제2

ARC Media receives thousands of files every day from many sources. Each text-formatted files is typically 1 2 MB in size. They need to store all these files for at least two years. They heard about Hadoop and about the HDFS files system, and want to take advantage of the cost effective storage to store the vast number of files.
Which two recommendations could you provide to the customer to maintain the effectiveness of HDF5 with the growing number of files?

A. Consider concatenating files after Ingesting

B. Consider breaking down files into smaller files before Ingesting

C. Use compression to free up space.

D. Consider adding additional Name Nodes to Increase data storage capacity.

E. Reduce the memory available for name node as 1-2 MB files don't need a lot of memory.

정답: B,C

문제3

ABC Company maintains two Hadoop clusters, one for test and one for production. One of the developers wants to copy a data file from the test to the production environment.
Which two are possible options to accomplish this?

A. Use the hdfs dfs -cp command to copy the file from test to production.

B. Use an FTP command to copy files between the test and production environments.

C. Use Flume to ingest the file again and deliver it to production.

D. Back up the file to tape and reset it to the production cluster.

정답: A,B

문제4

You have implemented and environment to store and process structured and unstructured data with Oracle Big Data Cloud Service and Oracle Database Cloud Service. You want to easily see the data in your Hadoop cluster and you want to use the Result Set in the Oracle Database to perform robust analysis using Oracle Advanced Analytics.
Which Big Data Connector gives you the ability for batch and dynamic loading?

A. Oracle Data Integrator for Hadoop

B. Oracle Loader for Hadoop

C. Oracle SQL Connector for Hadoop

D. Oracle Data source for Hadoop

정답: C

문제5

Ah 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 m order to access the node?

A. Private ssh key pair

B. IP address of the cluster node

C. Public ssh key pair

D. Name of the cluster node

E. Name of the service instance

정답: A,B

문제6

What utility can you use to manage the White list?

A. mammoth

B. dcli

C. bdacli

D. bdcscli

정답: C

문제7

You are experienced in using XQuery to access data and have decided to use Oracle Big Data Connector Oracle XQuery for Hadoop to obtain data from the source.
Which three can be a source for OXH?

A. Data in Hive tables

B. Oracle NoSQL Database

C. Oracle 12c Database

D. XML data 10 local files

E. Avro files in HDFS

정답: B,D,E

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