Free Alibaba Cloud ACA-Cloud1 Exam Dumps Questions & Answers

You can create a custom image for ECS using which of the followings? (Choose two.)

• A.Data disk snapshot
• B.CPU snapshot
• C.System disk snapshot
• D.Memory snapshot

When using Alibaba Cloud SLB, you can set different weights for backend ECS instances. The higher the weight of a backend ECS instance, the more load will be assigned to it. If an SLB instance has 5 ECS instances in the backend server pool, all of which are healthy. Among these 5 ECS instances, the weight of ecs_inst1 is set to 100. Which of the following statements is correct?

• A.We do not know the weight settings of the remaining 4 ECS instances, so we cannot tell what would happen.
• B.100% of loads will be assigned to ecs_inst1, and the rest 4 ECS instances will stay idle.
• C.Based on request level parameters of external requests, all requests with a request level parameter of 100 will be transferred to ecs_inst1.
• D.Based on SLB's working mechanism, approximately 20% of loads will be assigned to ecs_inst1.

If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

• A.bitcoin-pay
• B.Pay-As-You-Go
• C.Paypal-pay
• D.Prepaid

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following application scenarios are suitable for Auto Scaling?
(Choose three.)

• A.You need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be added seamlessly to address traffic peaks and surges.
• B.When an ECS instance reacts abnormally in a scaling group, Auto Scaling will create a new ECS instance to take over the computing tasks conducted by the faulty instance.
• C.You need to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be reduced automatically to save costs when business needs drop.
• D.You want to flexibly adjust elastic computing resources based on your business needs, and ECS instances will be automatically upgraded (with more Memory, more powerful CPU) when needed.

When using Alibaba Cloud OSS, you can set access control in 3 different levels, which are (Choose three.)

• A.RAM account level
• B.Object level
• C.Directory level
• D.Bucket level