Online Access Free ACA-BigData1 Exam Questions

DataV is a powerful yet accessible data visualization tool, which features geographic information systems allowing for rapid interpretation of data to understand relationships, patterns, and trends. When a DataV screen is ready, it can embed works to the existing portal of the enterprise through ______.

• A.URL after the release
• B.URL in the preview
• C.MD5 code obtained after the release
• D.Jar package imported after the release

Where is the meta data(e.g.,table schemas) in Hive?
Score 2

• A.Stored in ZooKeeper
• B.Stored in the RDBMS like MySQL
• C.Stored along with the data in HDFS
• D.Stored as metadata on the NameNode

Alibaba Cloud Quick BI reporting tools support a variety of data sources, facilitating users to analyze and present their data from different data sources. ______ is not supported as a data source yet.
Score 2

• A.Local Excel files
• B.Results returned from the API
• C.MaxCompute
• D.MySQL RDS

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.False
• B.True

You want to understand more about how users browse your public website. For example, you want to know which pages they visit prior to placing an order. You have a server farm of 100 web servers hosting your website. Which is the most efficient process to gather these web servers across logs into traditional Hadoop ecosystem.

• A.Ingest the server web logs into HDFS using Apache Flume
• B.Just copy them into HDFS using curl
• C.Import all user clicks from your OLTP databases into Hadoop using Sqoop
• D.Channel these clickstreams into Hadoop using Hadoop Streaming