Free Alibaba ACA-Operator Exam Questions

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

Page: 1 / 13

Total 63 Questions | Updated On: Nov 13, 2024

Add To Cart

Question 1

A developer has written a web application using a microservice architecture, in such an architecture, the client (web browser or mobile application) first initiates a request. The request first reaches the load balancer, then goes through an authentication service, a billing service, then requests a resource, and finally a result is returned. How many spans does such a call chain consist of?

A : 3

B : 4

C : 5

D : 6

Answer: C

Question 2

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 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 Alibaba Cloud service is used to manage cloud computing resources including the deployment?

A : eration Orchestration Service (OOS)

B : intenance Orchestration Service (MOS)

C : ource Orchestration Service (ROS)

D : ource Access Management (RAM)

Answer: C

Page: 1 / 13

Total 63 Questions | Updated On: Nov 13, 2024

Add To Cart