When performing subnet calculations, what should you remember? $($Select two.$)$

Think in terms of the number of mask bits.

Subnet calculations are unnecessary if you use DHCP$.$

Memorize the decimal values for the number of bits set to $1$ in an octet within a mask.

The subnet mask can be any random set of numbers as long as it looks complex.

Always use the same subnet mask for every subnet to simplify calculations.