Next Generation Database Architectures (Exam) Answers | Alibaba

Next Generation Database Architectures (Exam) | Alibaba

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Notice!
Always refer to the official Alibaba Documentaion for the most accurate and up-to-date information.

Exam Question

Single answer
1. Which of the following is Alibaba Cloud Data Lake offering?

A. MaxCompute
B. AnalyticDB
C. EMR Data Lake
D. OSS

True/False
2. Data Lake is more flexible to start while Data Warehouse is more sustainable in the long run.

True
False

True/False
3. Data Lake solutions can deal with non-structured data directly but Data Warehouse solutions usually need to do ELT or ETL first.

True
False

True/False
4. One of the Lakehouse key features: "Unified Dev Experience" means based on DataWorks' powerful data development, management and governance capabilities, end users don't need to maintain and be familiar with 2 different data management systems.

True
False

True/False
5. One of the Lakehouse key features: "Unified Storage and Metadata", means Hive databases in a Hadoop cluster can be directly mapped to a MaxCompute project so that related tool chains can be used directly.

True
False

True/False
6. Regarding operation complexity from end user point of view, between Data Warehouse design principle and Data Lake design principle, Data Warehouse is designed with easier operation capabilities.

True
False

True/False
7. One of the Lakehouse key features: "Easy to start" means no matter whether the customers are in IDC or using self-built Hadoop, they can connect to MaxCompute easily through sample steps.

True
False

True/False
8. One of the Lakehouse key features: "Auto Data Management" means data movement between Data Lake system and Data Warehouse system are auto-managed by an intelligent module.

True
False

Multiple answers
9. Which of the following are common Data Lake products in the market? (Number of Correct Answers: 3)

A. Presto
B. Hudi
C. DeltaLake
D. OSS

Multiple answers
10. What is the reason Alibaba Cloud is building the next generation Big Data platform: LakeHouse? (Number of Correct Answers: 3)

A. Converges the benefits from both Data Lake and Data Warehouse
B. Unifies storage and one meta from user perspective
C. Merge 2 different kinds of markets into 1
D. Unified Development and Data Management experiences

Multiple answers
11. Big Data has been well adopted and inclusive to modern industry. Which Two major platforms have been evolved out of this demand? (Number of Correct Answers: 2)

A. Data Warehouse
B. Data Factory
C. Data Lake
D. Data Ocean

 

Multiple answers
12. Which of following options are provided by Alibaba Cloud E-MapReduce Data Lake solution? (Number of Correct Answers: 3)

A. Based on Open Source Eco-System
B. Self built reliable storage
C. Easy starting and small starting requirements
D. Enterprise security and management

 

Multiple answers
13. Regarding Alibaba Cloud Lakehouse architecture, which of the following reflects the data lake and data warehouse merged capabilities? (Number of Correct Answers: 3)

A. Multiple types of storage but connected
B. Unified meta data management
C. Users can join tables which are from both Data Lake system and Data Warehouse system
D. Supports Web-UI and SDK only

Multiple answers
14. Which of the following capabilities are provided by Alibaba Cloud Data Warehouse solution: MaxCompute? (Number of Correct Answers: 4)

A. Provisioning within minutes
B. Scaling up and down based on your business and cost requirement
C. High performance like traditional OLTP databases
D. Scaling to thousands of cores in a matter of seconds

E. Flexible pricing including 'Pay as you go' and 'Reservation Resources'

 

Multiple answers
15. Which of the following characteristics can be used to describe the particularity of Big Data processing? (Number of Correct Answers: 4)

A. Volume
B. Variety
C. Velocity
D. Veracity
E. Vulnerability

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