Which of the following descriptions about the Heat template are correct? (Multiple choice)

• A.Heat template files can be managed using version control tools
• B.Heat template only supports HOT format
• C.Heat templates can be saved as ordinary text files
• D.Heat template describes the relationship between OpenStack specified resources

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As shown in the figure, eth0 originally had its own IP address, but after being bound to br0, the IP address of eth0 will become invalid, and the user program cannot receive data from this IP address.

• A.True
• B.False

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After the OpenStack virtual machine instance performs the Rebuild operation, the network and resource allocation attributes of the virtual machine instance will not change.

• A.True
• B.False

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In Huawei Cloud Stack, which of the following descriptions of the resource management (CMDB) function are correct? (Multiple choice)

• A.CMDB can automatically discover and store various information in the entire IT system, such as the number of servers, the number of storage devices, the operating system on the server and even what applications are on the operating system.
• B.CMDB can store information about various resources in the entire system, but it cannot store the dependencies between different resources.
• C.CMDB can realize information sharing of stored data
• D.CMDB can ensure that the stored data is accurate, timely and effective

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In Huawei Cloud Stack, the installation and upgrade tool stores deployment information when creating a new installation. When expanding/upgrading, it can obtain existing information from CIDB, and then store new data after completing expansion/upgrading, thus ensuring that CMDB obtains data in a timely manner.

• A.False
• B.True

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