A disaster communication should include $\_\_\_\_\_\_\_\_\_\_,$ and the cyber concerns in a disaster should include $\_\_\_\_\_\_\_\_\_\_.$

a$.$

Having a backup person as your IT expert; Informing customers of potential problems

b$.$

Informing customers of potential problems; Informing suppliers there may be no place to deliver supplies

c$.$

Having a backup person as your IT expert; Informing suppliers there may be no place to deliver supplies

d$.$

Informing customers of potential problems; Having a backup person as your IT expert