A client is using SLAAC to obtain an IPv$6$ address for its interface. After an address has been generated and applied to the interface, what must the client do before it can begin to use this IPv$6$ address?a$)$tIt must send a DHCPv$6$ INFORMATION$-$REQUEST message to request the address of the DNS server.b$)$tIt must send a DHCPv$6$ REQUEST message to the DHCPv$6$ server to request permission to use this address.c$)$tIt must send an ICMPv$6$ Router Solicitation message to determine what default gateway it should use.d$)$tIt must send an ICMPv$6$ Neighbor Solicitation message to ensure that the address is not already in use on the network.