On your network, $30$ of the workstations in the marketing department are connected via cat $5$ UTP to a $100$BaseT switch in a telecomm closet. That switch is connected via cat $5$ UTP to a $5$ port $10$BaseT switch in the equipment room. The marketing file server is connected to this $10$BaseT switch via cat $5$ UTP. Which of the following best describes the use of a $10$BaseT switch in this network? $($You may want to sketch this.$)$