Regarding the Kafka, which is wrong?

What configuration files can the Fusioninsight HD LLD configuration planning tool generate? (Multiple choice)

One of the goals of the data center technology architecture is to be able to solve the disadvantages of traditional data warehouses that tend to become data islands and big data platforms that tend to become data swamps.

The open source big data platform based on Hadoop mainly provides distributed computing and storage capabilities for data. Which of the following are distributed storage components? (Multiple choice)

What is the index name of ElasticSearch?