ACA-CLOUD1 Online Practice Questions and Answers

What is the full name of ECS?

A. Elastic Compute Service

B. Elastic Computing Server

C. Elastic Cost Server

D. Elastic Communication Server

Which of the following statements to OSS bucket is not correct?

A. Every user can create more than one bucket

B. Bucket name can be changed after creation

C. Every bucket should have a unique name

D. There is no limitation to objects number inside one bucket

Which of the following scenarios is applicable to use RDS read-only instances?

A. Reduces the write pressure on the RDS primary instance.

B. Reduces the read pressure on the RDS primary instance.

C. Implements data backtracking for the last two days.

D. Improves RDS storage capabilities.

A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the "Minimum number of instances" to 6 and "Maximum number of instances" to 8.

After correctly configuring scaling settings, the customer adds a scaling rule "Remove 5 ECS instances", and creates a scheduled task based on this rule.

And then, the customer checks the scaling group and see it already contains 8 valid ECS instances, he/ she then enables this scaling group immediately.

How many ECS instances are left in the scaling group when the scheduled task is activated once?

A. One

B. Six

C. Zero

D. Five

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following is not the feature supported by Alibaba Cloud Auto Scaling?

A. Elastic Scale-Out

B. Elastic Scale-In

C. Elastic Self-Health

D. Elastic Self-Diagnostic

You are developing a highly available web application using stateless web servers. Which services are suitable for storing session state data? (Choose two.)

A. RDS

B. Table Store

C. MaxCompute

D. OSS

Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.

A. TRUE

B. FALSE

Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

A. TRUE

B. FALSE

RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.

A. TRUE

B. FALSE

In which of the following cases would you need to apply an ICP license? (Choose three.)

A. Accelerate your Overseas Website in China

B. Launch your website in China

C. Launch your online shop in China

D. Open your office in China