Which two statements are true about the configuration of kdump for capturing a dump image after a kernel crash?

Which two statements are true about the configuration of kdump for capturing a dump image after a kernel crash?

A.
kdumpuseskexecto reboot the failed kernel and then captures a dump image.

B.
Thecrashkernelboot parameter must be added to thekernelline in the/boot/grub.conffile to enablekdump.

C.
The memory used forcrashkernelis always at the same physical address.

D.
kdumprequires no parameters because it is enabled by default.

E.
kdumpuseskexecto boot a second kernel, which then captures a dump image.