Which of the following fields are used for Huawei Cloud BMS bare metal servers? (Multiple choice)

SQL injection attacks against general types. For example: SELECT *FROM'users' where user_id = '1 or 1 =1'. Which of the following database firewall rule types is recommended? (Multiple choice)

Users in the cloud Huawei will host A to do a system disk backup on June 29, host A system disk is done a snapshot on June 30. Delete the hosts A by mistake on July 1. The backup can be used but snapshot is not available on July 2.

For scenarios where the user business needs to store billions of rows and millions of columns of large table data, and real-time level read and write access to the large table data, which of the following big data components can be used?

Which of the following options are not part of the Huawei Cloud online migration service? (Multiple choices)