Under the same specifications, which of the following types of elastic cloud server instances have the strongest computing performance?

Which of the following options is not a commonly used communication network for IoT devices?

Which of the following components cannot use SQL for data analysis and query?

Which of the following are the components of HUAWEI CLOUD's three-dimensional operation and maintenance solution? (Multiple choice)

The value of blockchain is to build trust between organizations that do not trust each other, reduce transaction costs, improve transaction efficiency, and promote mutual trust. Which of the following descriptions about the blockchain is wrong?