When issuing the command ifconfig eth0 192.168.1.20/24 up, which of the following happens? (Choose TWO correct answers.)
A. The address 192.168.1.20 is associated with the interface eth0.
B. A network route to 192.168.1.0 with the netmask 255.255.255.0 pointing directly to eth0 is created.
C. 192.168.1.1 is probed for router functionality and, in case of success, it is added to the list of default routers.
D. The addresses from 192.168.1.20 to 192.168.1.24 are activated on the interface eth0.
E. If eth0 was configured with a previous IP address, it is retained in addition to adding the new address.