ACA-Operator ACA System Operator Certification Questions and Answers

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

Which of the following database connection methods does ApsaraDB for Redis support? (Number of correct answers: 2)

In Alibaba Cloud, a developer finds that the ECS instance he created does not

have public IP assigned. The API method used was “CreateInstance”. Which

of the following is the most likely reason?

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?

Which of the following methods can NOT be used for operating Alibaba Cloud

Elastic Compute Service (ECS) instances?

Which database utility is suitable for database migration?