Free Alibaba ACA-Operator Exam Questions

Become Alibaba Certified with updated ACA-Operator exam questions and correct answers

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Total 63 Questions | Updated On: Aug 01, 2021

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Question 1

Which of the following services is used to establish private network connections between virtual private

clouds (VPCs) in different regions, or between VPCs and data centers?

A : N (Cloud Enterprise Network)

B : press Connect

C : N Gateway

D : T Gateway

Answer: A

Question 2

Which database utility is suitable for database migration?

A :

B :

Answer: B

Question 3

Which of these metrics are collected by CloudMonitor’s Host Monitoring function? (Number of correct answers: 3)

A : U status of the ECS instance

B : nning processes on the ECS instance

C : orage space used by OSS buckets

D : network I/O

Answer: A,B,D

Question 4

When you use SQL statements to access tables in a database without an index configured, a full table scan will be performed. If a table contains a large amount of data, this kind of scan will access a large amount of data and consume a lot of the database's resources. Which of the following options are best practices when creating database indexes? (Number of correct answers: 3)

A : an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.

B : plies indices to fields to contain many records.

C : table should not contaiiAiore than 6 indexed fields.

D : Apply indexing to fields of fixed length (preferably not long fields).

E : here to the rightmost prefix principle when using composite indexes

Answer: A,C,D

Question 5

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with ECS? (Number of correct answers: 3)

A : ickly build a personal blog website

B : ickly build a small e-commerce website

C : ickly build serverless site using Function Compute

D : t up a NoSQL database service

E : ickly build a personal, learning, or test environment

Answer: A,B

Page: 1 / 13

Total 63 Questions | Updated On: Aug 01, 2021

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