$10.$ A switch is configured with a single VLAN of $12$ for all interfaces. All nodes auto$-$negotiate at $100$ Mb$/$s full$-$duplex. What is true if you add an additional VLAN to the switch?A$.$ The switch will decrease its bandwidth due to overhead.B$.$ The switch will increase its count of collision domains.C$.$ The switch will now require a router.D$.$ The switch will increase its bandwidth due to broadcast domains.