Which network protocol does DNS use?（）

A.they run a spell check on host names to ensure accurate routing
B.they map individual hosts to their specific IP address
C.they convert domain names into IP address
D.Given an IP address,they determine the name of the host that is…

A.Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B.Addresses are permanently assigned so that the hosts uses the same address at all times.
C.Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.
D.Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

A.network or subnetwork IP address
B.broadcast address on the network
C.IP address leased to the LAN
D.IP address used by the interfaces
E.manually assigned address to the clients
F.designated IP address to the DHCP server