Huawei Fusioninsight HD is the first domestic big data platform that complies with national financial and other garbage protection. Which of the following aspects is its security now?

Regarding the Kafka in Fusioninsight HD products, which of the following is incorrect?

When the Fusionlnsight HD product deploys Kerberos and LDAP services, which of the following descriptions is correct? (Multiple choice)

In the HDFS mechanism, the NameNode is responsible for managing metadata. Each read request on the client side needs to read metadata information from the metadata disk of the NameNode to obtain the location of the read file in the DataNode.

Through the unified user management system in the big data platform, unified management of users, roles and organizations of various open-source component application systems in the platform can be realized, and cross-domain single sign-on logout and unified identity authentication function among various application systems can be realized.