What are the following restrictions on cloud server instances manually moved into a scaling group? (Multiple choice)

Which of the following are typical application scenarios of web application firewalls?

What can be done when the vCPU and memory of the elastic cloud server you purchased is insufficient?

Object storage services are physical storage disks.

The use of the cloud hard disk is the same as that of the transfer hard disk. The cloud hard disk mounted on the cloud server can be formatted and file system created to realize the persistent storage of data.