Alibaba Cloud ACA Big Data Certification - ACA-BigData1 Exam Questions
QUESTION NO: 1
MaxCompute can coordinate multiple users to operate one project through ACL authorization. The objects that can be authorized by ACL include ______. (Number of correct answers: 3) Score 2
MaxCompute can coordinate multiple users to operate one project through ACL authorization. The objects that can be authorized by ACL include ______. (Number of correct answers: 3) Score 2
Correct Answer: A,C,D
QUESTION NO: 2
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?
Score 2
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?
Score 2
Correct Answer: D
QUESTION NO: 3
MaxCompute SQL is suitable for processing less real-time massive data, and employs a syntax similar to that of SQL. The efficiency of data query can be improved through creating proper indexes in the table.
Score 1
MaxCompute SQL is suitable for processing less real-time massive data, and employs a syntax similar to that of SQL. The efficiency of data query can be improved through creating proper indexes in the table.
Score 1
Correct Answer: B
QUESTION NO: 4
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
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
Correct Answer: A
QUESTION NO: 5
Table is a data storage unit in MaxCompute. It is a two-dimensional logical structure composed of rows and columns. All data is stored in the tables. Operating objects of computing tasks are all tables. A user can perform create table, drop table, and tunnel upload as well as update the qualified data in the table.
Score 1
Table is a data storage unit in MaxCompute. It is a two-dimensional logical structure composed of rows and columns. All data is stored in the tables. Operating objects of computing tasks are all tables. A user can perform create table, drop table, and tunnel upload as well as update the qualified data in the table.
Score 1
Correct Answer: A
QUESTION NO: 6
MaxCompute is a general purpose, fully managed, multi-tenancy data processing platform for largescale data warehousing, and it is mainly used for storage and computing of batch structured data. Which of the following is not a use case for MaxCompute?
Score 2
MaxCompute is a general purpose, fully managed, multi-tenancy data processing platform for largescale data warehousing, and it is mainly used for storage and computing of batch structured data. Which of the following is not a use case for MaxCompute?
Score 2
Correct Answer: A
QUESTION NO: 7
In MaxCompute, if error occurs in Tunnel transmission due to network or Tunnel service, the user can resume the last update operation through the command tunnel resume;.
Score 1
In MaxCompute, if error occurs in Tunnel transmission due to network or Tunnel service, the user can resume the last update operation through the command tunnel resume;.
Score 1
Correct Answer: A
QUESTION NO: 8
DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (prepayment).
When DataWorks is activated in pay-as-you-go mode, Which of the following billing items will not apply?
Score 2
DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (prepayment).
When DataWorks is activated in pay-as-you-go mode, Which of the following billing items will not apply?
Score 2
Correct Answer: C
