What are two roles of the Dynamic Host Configuration Protocol (DHCP)? (Choose two.)

A. The DHCP server assigns IP addresses without requiring the client to renew them.
B. The DHCP server leases client IP addresses dynamically.
C. The DHCP client is able to request up to four DNS server addresses.
D. The DHCP server offers the ability to exclude specific IP addresses from a pool of IP addresses.
E. The DHCP client maintains a pool of IP addresses it is able to assign.