Question $2$

$\frac{0}{1}$ pts

$128\mathrm{.}12\mathrm{.}0\mathrm{.}0$ with default subnet mask of $\frac{?}{16}$ is:

Class $B,IP$ address

Class A$,$ IP address

Class $A,$ network address

Class B$,$ network address

Question $3$

$\frac{0}{1}$ pts

What is the first octet range of IPv$4$ class A addresses, considering the loopback address as a class A:

$1-126$

$1-128$

$0-127$