Which of the following network devices use ACLs to prevent unauthorized access into company systems?

The network install is failing redundancy testing at the MDF. The traffic being transported is a mixture of
multicast and unicast signals. Which of the following would BEST handle the rerouting caused by the disruption
of service?

A technician needs to limit the amount of broadcast traffic on a network and allow different segments to
communicate with each other. Which of the following options would satisfy these requirements?