Free Alibaba Cloud ACA-BigData1 Exam Dumps Questions & Answers

In DataWorks table permission system, you can revoke permissions only on the fields whose security level is higher than the security level of your account.
Score 1

• A.  False
• B.  True

Your company stores user profile records in an OLTP databases. You want to join the serecords 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 using Hive
• C.  Ingest with Pig's LOAD command
• D.  Ingest with sqoop import

DataWorks can be used to create all types of tasks and configure scheduling cycles as needed. The supported granularity levels of scheduling cycles include days, weeks, months, hours, minutes and seconds.

• A.  False
• B.  True

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)

• A.  This data is streamed and processed using Apache
  Flume or Kafka in integration with Apache Storm using
  complex algorithmsB. Kafka is usually preferred with Apache Storm to
  provide data pipeline
• B.  The final processed data can be stored in HDFS, HBase
  or any other big data store service in real time.
• C.  Apache Sqoop is used to do the real-time data
  transmission of structured data

MaxCompute takes Project as a charged unit. The bill is charged according to three aspects: the usage of storage, computing resource, and data download respectively. You pay for compute and storage resources by the day with no long-term commitments.
Score 1

• A.  False
• B.  True