Which of the following descriptions are correct about the pain points of traditional recommendation systems? (Multiple choice)

Through the transaction monitoring of APM, operators can understand the final consumer behaviors for business development decision-making, and can also quickly discover the status of business operations for rapid diagnosis of abnormal applications

When using the Huawei Cloud Distributed Message DMS service, after the Kafka queue is created, what information needs to be obtained to complete client access? (Multiple Choice)

ELB instances support load balancing services for elastic cloud servers in multiple subnets under the same VPC.

HUAWEI CLOUD containers have the advantages of fast startup speed, small resource occupation, and high operating efficiency. They can quickly expand capacity and calmly deal with sudden and large traffic impacts, and fundamentally avoid "official announcement" downtime.