Global NOC Network Engineer Interview Questions and Answers

VLANs are virtual LANs that separate network traffic, while trunks are connections that carry multiple VLANs over a single link.

• VLANs allow for network segmentation and improved security

• Trunks are used to carry multiple VLANs over a single link

• VLANs are identified by a VLAN ID

• Trunks use VLAN tagging to identify which VLAN traffic belongs to

• VLANs can be configured on switches, routers, and firewalls