Company builds a music download website based on OSS and ECS, and users can download mp3 files after registering for the website. Recently, the public network traffic to the OSS has doubled but the increase of registered users is less than 10%. After in-depth analysis, engineers find that many user download requests are raised from search engine but not the website itself. In this case, which of the following measures is thought to be able to address this issue.

• A. Introduce SLB for extra protection.
• B. Migrates music files from the OSS to the data disks for ECS instances.
• C. Limits access sources by configuring "Anti-leech settings" of OSS bucket attributes.
• D. Changes the website access mode to HTTPS.

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?

• A. ICP Support
• B. Web hosting
• C. Connect your service with Alibaba Group ecosystem
• D. Office registration support

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

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

• A. TRUE
• B. FALSE

Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control the access to the files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are. (Choose three.)

• A. Private-read
• B. Public-read
• C. Public-read-write
• D. Private