COMPUTER NETWORKING

NETWORK LAYER

UNICAST ROUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How is traffic routed between multiple VLANs on a multilayer switch?
A
Traffic is routed via subinterfaces.
B
Traffic is routed via physical interfaces.
C
Traffic is broadcast out all physical interfaces.
D
Traffic is routed via internal VLAN interfaces.
Explanation: 

Detailed explanation-1: -Traffic is routed via subinterfaces.

Detailed explanation-2: -This trunk allows all of the traffic from the configured VLANs to be transmitted and routed via a single routed interface. The router manages and routes all traffic from one VLAN to another via this single interface. This type of configuration is typically referred to as router on a stick (ROAS).

Detailed explanation-3: -To provide inter-VLAN routing, Layer 3 switches use SVIs. SVIs are configured using the same interface vlan vlan-id command used to create the management SVI on a Layer 2 switch. A Layer 3 SVI must be created for each of the routable VLANs.

Detailed explanation-4: -Multilayer switches support Switch Virtual Interfaces (SVIs), logical interfaces that can perform routing. They behave like a physical interface of a router: they have an IP address, and they insert a connected route into the routing table.

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