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【单选题】
How does a DHCP server dynamically assign IP addresses to hosts?A.
Addresses are permanently assigned so that the host uses the same address at all times
B.
Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.
C.
Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
D.
Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
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