Independence Day Sale - Special 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: 70dumps

ACA-BigData1 Questions and Answers

Question # 6

The FTP data source in DataWorks allows you to read/write data to FTP, and supports configuring

synchronization tasks in wizard and script mode.

Score 1

A.

True

B.

False

Full Access
Question # 7

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

A.

MaxCompute Tunnel provides the Java programming interface for usersB. MaxCompute provides two data import and export methods: using Tunnel Operation on the console

directly or using TUNNEL written with java

B.

If data fails to be uploaded, use the restore command to restore the upload from where it was

interrupted

C.

Tunnel commands are mainly used to upload or download data.They provide the following

functions:upload, download, resume, show, purge etc.

Full Access
Question # 8

MaxCompute is a fast and fully-managed TB/PB-level data warehousing solution provided by Alibaba

Cloud. Which of the following product features are correct? ______ (Number of correct answers: 3)

Score 2

A.

Distributed architecture

B.

High security and reliability

C.

Multi-level management and authorization

D.

Efficient transaction processing

E.

Fast real-time response

Full Access
Question # 9

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;

Full Access
Question # 10

A start-up company wants to use Alibaba Cloud MaxCompute to provide product recommendation

services for its users. However, the company does not have much users at the initial stage, while the

charge for MaxCompute is higher than that of ApsaraDB RDS, so the company should be recommended

to use MaxCompute service until the number of its users increases to a certain size.

Score 1

A.

True

B.

False

Full Access
Question # 11

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.

Full Access