A social networking site was built based on Huawei Cloud's virtual private cloud VPC, load balancing ELB, cloud server ECS, and cloud database RDS. It originally only provided EB pure dynamic text…

A social networking site was built based on Huawei Cloud's virtual private cloud VPC, load balancing ELB, cloud server ECS, and cloud database RDS. It originally only provided EB pure dynamic text information exchange. With the rise of live streaming, the operation team wanted to add live streaming services to the existing system to meet the needs of users across the country to watch live streaming quickly anytime and anywhere. What other services need to be enabled on Huawei Cloud to support this business? (Multiple choice)