자료의 품질이 걱정되신다면 확인 방법은 간단합니다. KoreaDumps에서 1Z1-928 무료 샘플을 내려받아 Oracle Cloud Platform Big Data Management 2018 Associate 대비 문제의 일부를 직접 살펴보시기 바랍니다.

Oracle 1Z1-928 시험 개요:

Oracle 1Z1-928 시험 요강 주제:

1Z1-928 시험 준비, 자주 묻는 질문으로 정리했습니다

최신 Oracle Data Management 1Z1-928 무료샘플문제

문제 #1

What is the function of a SHUFFLE phase in the MAPDEDUCE processing framework?

A. This phase provides fault tolerance by moving mappers from the failed nodes to running nodes.
B. This phase is used to reduce the values associated with the intermediate keys.
C. This phase will move intermediate data from the mapper to the reducers.
D. This phase is to optimize resource utilization by moving mappers to the other nodes.

문제 #2

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. Use compression to free up space.
C. Consider breaking down files into smaller files before Ingesting
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.

문제 #3

Big Data Cloud provides you the agility to rapidly and securely build, deploy and grow your big data platform.
It can easily scale to your varying workload demand. Which statement is NOT true regarding Oracle Big Data Cloud's feature in agility?

A. You can scale compute nodes and Storage nodes independently.
B. You must scale Compute nodes and Storage nodes together at the same time.
C. You can elastically scale only Storage nodes.
D. You can elastically scale only Compute nodes.

문제 #4

You are a Spark developer using Spark RDDs for data processing. You realize Resilient Distributed Data Sets (RDDs) are evaluated lazily.
Which function do you need to execute to materialize RODS?

A. ReduceByKey
B. Map ( )
C. CountByKey ( )
D. Coalesce ( )
E. Filter

문제 #5

On which open-source processing engine is Oracle Big Data Cloud (BDC. Strategy based on?

A. Apache Flink Scalable Batch and Stream Data Processing
B. Apache Storm
C. Spark
D. Apache Apex

질문과 대답: