Online Access Free ACA-BigData1 Exam Questions

In order to ensure smooth processing of tasks in the Dataworks data development kit, you must create an AccessKey. An AccessKey is primarily used for access permission verification between various Alibaba Cloud products. The AccessKey has two parts, they are ____. (Number of correct answers: 2) Score 2

• A.Access Key Secret
• B.Access Password
• C.Access Username
• D.Access Key ID

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)

• A.Running Successfully
• B.Not running
• C.Running

DataWorks can be used to create all types of tasks and configure scheduling cycles as needed. The supported granularity levels of scheduling cycles include days, weeks, months, hours, minutes and seconds.
Score 1

• A.True
• B.False

A Log table named log in MaxCompute is a partition table, and the partition key is dt. Anew partition is created daily to store the new data of that day. Now we have one month's data, starting from dt='20180101' to dt='20180131', and we may use ________ to delete the data on 20180101.

• A.drop partition log (dt='20180101')
• B.delete from log where dt='20180101'
• C.alter table log drop partition(dt='20180101')
• D.truncate table where dt='20180101'

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

• A.Data download
• B.Data upload
• C.Storage
• D.Computing