How do we segment a network? What benefits come along with segmenting a network?

1.How do we segment a network? What benefits come along with segmenting a network?

2.What are some advantages of implementing VLANs on a network?

3.What does CIDR stand for? Provide some examples of CIDR notation. Why is this useful? How do we determine the CIDR notation for a given subnet mask?

4.Why do we often subnet an IPv4 address?