False. Extended Serviceguard Cluster is a series of design goals for a Serviceguard cluster located over multiple sites. As such, there is no software component to the product. Having the same number of nodes on each site is a good idea, but it is not a requirement.
A2:
True.
A3:
True.
A4:
False. Continentalclusters offer a semi-automatic cluster takeover using the cmrecovercl command.
A5:
False. The file is called /etc/opt/cmom/cmomhosts .
