www.company.com is a newly launched social portal for exchanging automotive information. The portal is based on PHP, including 10GB of images, and some JavaScripts files. Currently one single ECS instance is used to host all the application content as well as a MySQL database. With the growing number of users, the portal is getting slower to load images or respond to user requests. Moreover, there will be additional 50GB image content uploaded to the portal every week. Which combination of Alibaba Cloud services below can help resolve the storage and performance issue at the same time?

Alibaba Cloud China Connect is a service that can help international companies do business in China. Which of the following services is not included in China Connect?

Server Load Balancer supports protocols like. (Choose four.)

Which of the following statements is true for RDS?

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?

is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.

Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.

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 company wants to use Alibaba Cloud service to replace their self-built database, which of the following services should it choose?

RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.

A company wants to migrate its system to public cloud platform and they choose Alibaba Cloud. The migration process is very important and they want to ensure that everything works right. Which of the following services can the company choose?

Auto Scaling can automatically remove unhealthy ECS instances from the scaling group (this feature is called Elastic Self-Health). Yet, after removal, the user has to manually add equivalent amount of new ECS instances back to the scaling group.

Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn't know how to do it. In this case, which of the following services can help?

Which of the following statements about file uploading to OSS strategy is not correct?

Which 2 OSS object types can be configured as parameter for object lifecycle management? (Choose two.)

Your website has high volume of traffic and sudden spikes for a very short time. In this scenario,

can manage traffic peak efficiently and maintain a consistent user experience.

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?

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.)

Server Load Balancer can help protect fromattack.

Alibaba Cloud’s object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.

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?