ACA-BigData1 Exam Dumps - ACA Big Data Certification Exam

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

There are various methods for accessing to MaxCompute, for example, through management console, client command line, and Java API. Command line tool odpscmd can be used to create, operate,

or delete a table in a project.

Score 1

Tom is the administrator of a project prj1 in MaxCompute. The project involves a large volume of

sensitive data such as user IDs and shopping records, and many data mining algorithms with proprietary

intellectual property rights. Tom wants to properly protect these sensitive data and algorithms. To be

specific, project users can only access the data within the project, all data flows only within the project.

What operation should he perform?

Score 2

MaxCompute Tunnel provides high concurrency data upload and download services. User can use

the Tunnel service to upload or download the data to MaxCompute. Which of the following descriptions

about Tunnel is NOT correct:

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

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

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

Score 2

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