Which of the following would be the best type of firewall for her to use in the case that Jessica needs to set up a firewall to protect her internal network from the Internet?

In the case that Jessica needs to set up a firewall to protect her internal network from the Internet, the best type of firewall for her to use would be a hardware firewall. Hardware firewalls are typically implemented as dedicated devices that sit between the internal network and the Internet, making them an effective choice for network-wide protection.