Unveil details about the ACA-BigData1 exam topics and questions. Become familiar with the proven practice tests, study guide materials, and sample questions. It will help to make your Alibaba Big Data (ACA) certification journey easy.
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Alibaba ACA-BigData1 Exam Summary:-
- Name of the Exam: Alibaba ACA Big Data (ACA-BigData1)
- Exam Code: ACA-BigData1
- Exam Price: $120 USD
- Duration: 90 minutes
- Number of Questions: 60
- Passing Score: 65 / 100
Alibaba ACA-BigData1 Exam Topics:-
- Base of distributed theory
- E-MapReduce
- MaxCompute
- DataWorks
- Quick BI
- DataV
Improve Your Knowledge-Base:
Get access to some of the sample ACA-BigData1 practice test questions to boost your knowledge base. Preparation is a steady process for some time, and you must always try to keep improving via learning. Access the questions from anywhere and from any device. The easy access to the questions would help you to get better with the ACA-BigData1 exam topics. You can solve these questions easily or learn new things from them.
Here Are Some Useful Questions:
01. Where is the meta data(e.g.,table schemas) in Hive?
a) Stored as metadata on the NameNode
b) Stored in the RDBMS like MySQL
c) Stored along with the data in HDFS
d) Stored in ZooKeeper
Answer: b
02. Your company stores user profile records in an OLTP databases. You want to join these records with web server logs you have already ingested into the Hadoop file system. What is the best way to obtain and ingest these user records?
a) Ingest with Hadoop streaming
b) Ingest with sqoop import
c) Ingest using Hive
d) Ingest with Pig’s LOAD command
Answer: b
03. A dataset includes the following items (time, region, sales amount). If you want to present the information above in a chart, ______ is applicable.
a) Bubble Chart
b) Tree Chart
c) Pie Chart
d) Radar Chart
Answer: a
04. When using Alibaba Cloud MaxCompute, if you need to limit your users to have access to the data only within a Project, what operation should you perform from a security point of view?
a) Use ACL authorization to set the status to read-only for all users
b) Use Policy authorization to set the status to read-only for all users
c) Allow the object creator to access the object
d) Enable the data protection mechanism in the project, using set ProjectProtection=true;
Answer: d
05. When using Hadoop Distributed File System (HDFS) in the Alibaba Cloud Big Data ecosystem, which Hadoop daemon is used to manage that file system?(c)
a) datanode
b) namenode
c) secondary namenode
d) node manager
Answer: a
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