What is the default scheduling mode of Spark Job?

Which of the following fields is most suitable for using Huawei Cloud CCE cloud container engine service? (Multiple choice)

During the process of using the Huawei Cloud SMS service to migrate the host, if the user reconnects after the network is interrupted, the previously migrated data also needs to be re-migrated.

HUAWEI CLOUD EVS service supports the conversion of disk types from ordinary IO disks to ultra-high IO disks.

PFX is a personal certificate saved in binary format. Generally appear in windows Server.
When a user wants to upload a certificate in this format to a Huawei ELB instance, which of the following operations is correct?