Huawei Cloud ELB can distribute user requests to multiple ECS instances according to different strategies. Which of the following descriptions about the "weighted round-robin mode" forwarding strategy is correct?

The video file data of a certain company is stored in the OBS bucket in the Beijing area of HUAWEI CLOUD, due to remote backup requirements. Beijing region will need OBS copy files to the bucket Shanghai area OBS barrel, which of the following programs are feasible? (Multiple choice)

Which of the following description about HUAWEI CLOUD FunctionGraph is correct?

Huawei Cloud Cloud Audit Service CTS is a professional log audit service in cloud security solutions that provides the collection, storage, and query functions of various cloud resource operation records. Which of the following scenarios is CTS not suitable for?

HDFS adopts the file access model of "write once, read many times", so after a file in HDFS is created, written and closed, it should not be modified.