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

The following statement about the IP address is wrong ______ . (Multiple choices)
A . The IP address consists of two parts: the network number and the host number.
B . The network number of a class A IP address has 8 digits, and the actual variable digits are 7 digits.
C . The first octet of a class C IP address starts with 100 .
D . Address translation ( NAT ) technology is usually used to resolve the translation of class A addresses to class C addresses.

Answer: CD

Explanation:

The first 8 -bit 110 starting NAT of class C addresses is used for private network address to public network address translation, regardless of address type