The following statement about the IP address is correct ______ . (Multiple choices)

The following statement about the IP address is correct ______ . (Multiple choices)
A . The IP address consists of two parts: the network number and the host number
B . The first byte of class A address is 0 ~ 126 ( 127 is reserved for other purposes)
C . IP addresses are usually expressed in dotted decimal format, for example: 10.110.168.121
D . An IP address with a binary number of 1 in the host number is called a network address, and is used to identify all hosts on a network

Answer: AC

Explanation:

The first byte of class A address is 1 ~ 126