ACA-BigData1 Sample Questions Answers

Resource is a particular concept of MaxCompute. If you want to use user-defined

function UDF or MapReduce, resource is needed. For example: After you have prepared UDF, you must

upload the compiled jar package to MaxCompute as resource. Which of the following objects are

MaxCompute resources? (Number of correct answers: 4)

Score 2

Alibaba Cloud Elastic MapReduce (E-MapReduce) is a big data processing solution to quickly process

huge amounts of data. Based on open source Apache Hadoop and Apache Spark, E-MapReduce flexibly

manages your big data use cases such as trend analysis, data warehousing, and analysis of continuously

streaming data.

Score 1

A company originally handled the local data services through the Java programs. The local data have

been migrated to MaxCompute on the cloud, now the data can be accessed through modifying the Java

code and using the Java APIs provided by MaxCompute.

Score 1

There are various methods for accessing to MaxCompute, for example, through management console, client command line, and Java API. Command line tool odpscmd can be used to create, operate,

or delete a table in a project.

Score 1

Where is the meta data(e.g.,table schemas) in Hive?

Score 2

Alibaba Cloud E-MapReduce can be easily plugged with other

Alibaba Cloud services such as Log Service, ONS, MNS that act

as data ingestion channels from real-time data streams. Which

of the following descriptions about real-time processing are

correct? (Number of correct answers: 3)

Tom is the administrator of a project prj1 in MaxCompute. The project involves a large volume of

sensitive data such as user IDs and shopping records, and many data mining algorithms with proprietary

intellectual property rights. Tom wants to properly protect these sensitive data and algorithms. To be

specific, project users can only access the data within the project, all data flows only within the project.

What operation should he perform?

Score 2

MaxCompute is a fast and fully-managed TB/PB-level data warehousing solution provided by Alibaba

Cloud. Which of the following product features are correct? ______ (Number of correct answers: 3)

Score 2