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Scenario: Jack is the administrator of project prj1. A new team member, Alice (already has an Alibaba

Cloud account alice@aliyun.com), applies for joining this project with the following permissions: view

table lists, submit jobs, and create tables. Which of the following SQL statements is useless:

Score 2

A.

use prj1;

B.

add user aliyun$alice@aliyun.com;

C.

grant List, CreateTable, CreateInstance on project prj1 to user aliyun$alice@aliyun;

D.

flush privileges;

Which of the following task types does DataWorks support?

(Number of correct answers: 4)

A.

Data Synchronization

B.

SHELL

C.

MaxCompute SQL

D.

MaxCompute MR

E.

Scala

DataWorks provides powerful scheduling capabilities including time-based or dependency-based

task trigger mechanisms to perform tens of millions of tasks accurately and punctually each day based

on DAG relationships. It supports multiple scheduling frequency configurations like: (Number of correct

answers: 4)

Score 2

A.

By Minute

B.

By Hour

C.

By Day

D.

By Week

E.

By Second

AliOrg Company plans to migrate their data with virtually no downtime. They want all the data

changes to the source database that occur during the migration are continuously replicated to the

target, allowing the source database to be fully operational during the migration process. After the

database migration is completed, the target database will remain synchronized with the source for as

long as you choose, allowing you to switch over the database at a convenient time. Which of the

following Alibaba products is the right choice for you to do it:

Score 2

A.

Log Service

B.

DTS(Data Transmission Service)

C.

Message Service

D.

CloudMonitor

If a task node of DataWorks is deleted from the recycle bin, it can still be restored.

A.

True

B.

False

JindoFS in E-MapReduce provided by SmartData uses OSS as the storage back end.

Score 1

A.

True

B.

False

In DataWorks, we can configure alert policies to monitor

periodically scheduled tasks, so that an alert will be issued

timely. Currently DataWorks supports ________ alerts.

(Number of correct answers: 2)

A.

Email

B.

Text message

C.

Telephone

D.

Aliwangwang

In MaxCompute, you can use Tunnel command line for data upload and download. Which of the

following description of Tunnel command is NOT correct:

Score 2

A.

Upload: Supports file or directory (level-one) uploading. Data can only be uploaded to a single table

or table partition each time.

B.

Download: You can only download data to a single file. Only data in one table or partition can be

downloaded to one file each time. For partitioned tables, the source partition must be specified.

C.

Resume: If an error occurs due to the network or the Tunnel service, you can resume transmission of

the file or directory after interruption.

D.

Purge: Clears the table directory. By default, use this command to clear information of the last three

days.

A business flow in DataWorks integrates different node task types by business type, such a structure

improves business code development facilitation. Which of the following descriptions about the node

type is INCORRECT?

Score 2

A.

A zero-load node is a control node that does not generate any data. The virtual node is generally used

as the root node for planning the overall node workflow.

B.

An ODPS SQL task allows you to edit and maintain the SQL code on the Web, and easily implement

code runs, debug, and collaboration.

C.

The PyODPS node in DataWorks can be integrated with MaxCompute Python SDK. You can edit the

Python code to operate MaxCompute on a PyODPS node in DataWorks.

D.

The SHELL node supports standard SHELL syntax and the interactive syntax. The SHELL task can run on

the default resource group

Machine Learning Platform for Artificial Intelligence (PAI) node is one of the node types in DataWorks

business flow. It is used to call tasks created on PAI and schedule production activities based on the

node configuration. PAI nodes can be added to DataWorks only _________ .

Score 2

A.

after PAI experiments are created on PAI

B.

after PAI service is activated

C.

after MaxCompute service is activated

D.

Spark on MaxCompute Machine Learning project is created