【单选题】While adding the forced varyon volume group option, it is decided to create a disk heartbeat Network over the disk paths. Which HACMP function is used to create disk heartbeat devices?()
A.
The Disk hearbeat facility is initialized when creating enhanced concurrent mode volume groups through HACMP.
B.
HACMP does not create the disk heartbeat area directly; RSCT facility creates the area used for the disk heartbeat when the device is started by Group Services.
C.
The ’Chdev -v-C " command creates an enhanced Volume Group from an ordinarilyVolume Group. This creates the heartbeat region on the vfirst disk in the chain.
D.
The disk heartbeat area on the disk is created and initialized when the device is created inHACMP "Extended Configuration -> Extended Topology -> Disk heartbeat facility" smit path.
【简答题】Those who are not on the spot will get their impressions ______ through television and radio coverage and then through newspapers.没有在现场的人们首先要通过电视和电台然后通过报纸得到印象。