ACA Big Data and Analytics Services 1 — Questions and Answers
Question 1: Which Alibaba Cloud service is a fully managed, serverless big data computing platform designed for large-scale data warehousing and batch analytics?
- MaxCompute (Correct answer)
- DataWorks
- Quick BI
- DataV
Correct answer: MaxCompute
MaxCompute (formerly ODPS) is Alibaba Cloud's fully managed, serverless data warehouse service for large-scale data processing and analytics.
Question 2: In Alibaba Cloud's big data ecosystem, what is the primary purpose of DataWorks?
- Real-time stream processing
- Data development, scheduling, and operations platform for data pipelines (Correct answer)
- Business intelligence dashboards
- NoSQL data storage
Correct answer: Data development, scheduling, and operations platform for data pipelines
DataWorks is an integrated data development and operations platform used to build and schedule ETL/ELT pipelines, manage workflows, and govern data assets on Alibaba Cloud.
Question 3: Which Alibaba Cloud service provides real-time stream processing using a fully managed Flink engine?
- MaxCompute
- Realtime Compute for Apache Flink (Correct answer)
- E-MapReduce
- Hologres
Correct answer: Realtime Compute for Apache Flink
Realtime Compute for Apache Flink is Alibaba Cloud's managed Flink service for low-latency, real-time stream data processing.
Question 4: What is Quick BI primarily used for on Alibaba Cloud?
- Ingesting streaming data
- Managing Hadoop clusters
- Creating interactive business intelligence reports and dashboards (Correct answer)
- Storing structured relational data
Correct answer: Creating interactive business intelligence reports and dashboards
Quick BI is Alibaba Cloud's business intelligence and data visualization service used to build interactive dashboards, reports, and data analysis for business users.
Question 5: E-MapReduce on Alibaba Cloud is built on top of which open-source framework?
- Apache Kafka
- Apache Hadoop and Spark (Correct answer)
- Apache Flink
- Apache Cassandra
Correct answer: Apache Hadoop and Spark
E-MapReduce (EMR) is Alibaba Cloud's managed big data cluster service built on Apache Hadoop, Spark, and other open-source components.
Question 6: Which Alibaba Cloud service is a real-time interactive analytics database capable of sub-second queries on large datasets, often used alongside MaxCompute?
- Hologres (Correct answer)
- AnalyticDB for MySQL
- PolarDB
- ApsaraDB RDS
Correct answer: Hologres
Hologres is Alibaba Cloud's real-time interactive analytics service that supports sub-second queries and seamlessly integrates with MaxCompute for unified online and offline analytics.
Question 7: In MaxCompute, what is a 'project' equivalent to?
- A single SQL query
- An isolated resource and data management unit similar to a database namespace (Correct answer)
- A Spark cluster
- A DataWorks workflow
Correct answer: An isolated resource and data management unit similar to a database namespace
A MaxCompute project is the top-level organizational unit that provides resource isolation, access control, and data management, similar to a database or schema namespace.
ACA Big Data and Analytics Services 1
Which Alibaba Cloud service is a fully managed, serverless big data computing platform designed for large-scale data warehousing and batch analytics?