Logical Segmentation

Question 1

Virtual Local Area Networks (VLANs)

Answer 1

form isolated broadcast zones to segment a network

Question 2

Virtual Private Networks (VPNs)

Answer 2

a communication tunnel that establishes a secure point-to-point connection over an untrusted network. Common VPN protocols are PPTP, L2F, L2TP, and IPsec

Question 3

Virtual Routing and Forwarding

Answer 3

Facilitates coexistence of multiple routing table instances on a router simultaneously. Fairly common in today’s IP routers

Question 4

Virtual Domain

Answer 4

The network segments/chucks created through logical segmentation techniques like Virtual routing and forwarding (VRF).
In VRF context, they are called VRF domains