Online Access Free ACA-Cloud1 Exam Questions

You built an online shop using Alibaba Cloud services (ECS, RDS, ...etc.) and very soon you'll have a campaign that every customer that invites 3 friends will get a 50% off coupon. To avoid HTTP flood attacks and ensure only genuine customers (not bots) joining the event, which security product should you choose?

• A.Anti-DDoS Basic
• B.Anti-DDoS pro
• C.WAF
• D.Server Guard

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. It supports adding an existing ECS instance into the scaling group but imposes certain requirements on instance region. In this case, which of the following statements is true?

• A.Each scaling group can span up to two regions. After adding the ECS instance, the number of regions of all the ECS instances in the scaling group must be no greater than two.
• B.The instance and the scaling group must be in the same region and zone.
• C.The instance and the scaling group can be in different regions and zones.
• D.The instance and the scaling group must be in the same region but not necessarily the same zone.

SQL injection is a common application layer attack, usually through building special input parameters and pass it to web applications to steal or sabotage the application data. Which of the following is the target for SQL injection?

• A.Pictures on server
• B.Database
• C.Web application
• D.Confidential files on the server

As a cloud computing service provider, Alibaba Cloud provides security services including. (Choose two.)

• A.Security operation for underlying hardware of cloud computing.
• B.Security isolation between cloud computing tenants.
• C.Application maintenance in ECS instances.
• D.IP white list setting for RDS.

ECS is a highly flexible service. It can be used independently as a simple web server, or used with other Alibaba Cloud products, such as OSS and CDN, to provide advanced solutions. ECS can be used in applications such as:. (Choose four.)

• A.no limited online storage
• B.Databases
• C.large-traffic apps
• D.Official corporate websites
• E.simple web applications