Part 2

Question 1

The Subnet Mask

Answer 1

Continuous ones and zeros. Ones on the left, zeros on the right.

Question 2

CIDR

Answer 2

Classless Inter-Domain Routing: Determined by the amount of 1 bits in the binary subnet mask. Delineates the network bits from the host bits.

Question 3

VLSM

Answer 3

Variable Length Subnet Masks: Allows us to use different subnet masks in the same classful network. Essentially splitting IP octet bits into network, subnet, and host bits.