A network engineer is tasked with configuring a new network segment for the marketing department. The department requires its own VLAN $($VLAN$50)$ to segregate its traffic from the rest of the company. The network consists of a Layer $3$ switch and multiple Layer $2$ switches. The engineer decides to use an SVI for VLAN routing.

Which of the following commands should the engineer use to configure the SVI for VLAN$50$ on the Layer $3$ switch?

A$.$interface G$0/1\mathrm{.}50$ encapsulation dot$1$Q $50$

B$.$vlan $50$

C$.$interface VLAN$50$ ip address $192\mathrm{.}168\mathrm{.}50\mathrm{.}1255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

D$.$switchport mode access vlan $50$