Exam style questions across every ACA-BigData1 domain
Last Update 1 day ago
Total Questions : 78
Start with our free ACA-BigData1 practice questions, carefully crafted to mirror the domains, phrasing, and difficulty of the real Alibaba Big data exam. Each ACA-BigData1 exam question comes with a detailed rationale that explains not just which answer is correct but why the others fall short. That's how concepts stick. Use the free set to benchmark yourself: identify your Alibaba Cloud weak domains, see where you're losing marks, and build a focused study plan in minutes.
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
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
Alibaba Cloud E-MapReduce can be easily plugged with other
Alibaba Cloud services such as Log Service, ONS, MNS that act
as data ingestion channels from real-time data streams. Which
of the following descriptions about real-time processing are
correct? (Number of correct answers: 3)
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
______.
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
Assume that Task 1 is configured to run at 02:00 each day. In this case, the scheduling system
automatically generates a snapshot at the time predefined by the periodic node task at 23:30 each day.
That is, the instance of Task 1 will run at 02:00 the next day. If the system detects the upstream task is
complete, the system automatically runs the Task 1 instance at 02:00 the next day.
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.
Which of the following task types does DataWorks support?
(Number of correct answers: 4)
In DataWorks, a task should be instantiated first before a
scheduled task is running every time, that is, generating a
corresponding instance which is executed for running the
scheduled task. The status is different in each phase of the
scheduling process, including ________. (Number of correct
answers: 3)
MaxCompute supports two kinds of charging methods: Pay-As-You-Go and Subscription (CU cost).
Pay-As-You-Go means each task is measured according to the input size by job cost. In this charging
method the billing items do not include charges due to ______.
Score 2
