■Describe the functions of the Neighbor Discovery(ND)protocol. ■List and describe the function and format of ND options. ■List and describe the function and format of ND messages. ■Describe which ND messages use which ND options. Describe the details of the address resolution,neighbor unreachability detection, duplicate address detection,router discovery,and redirect processes. Describe the host sending algorithm in terms of host data structures and ND messages