What are two functions of a firewall within an enterprise? (Choose two.)

What are two functions of a firewall within an enterprise? (Choose two.)

A. It enables traffic filtering based on URLs. B. It serves as an endpoint for a site-to-site VPN in standalone mode. C. It provides support as an endpoint for a remote access VPN in multiple context mode. D. It offers Layer 2 services between hosts. E. It enables wireless devices to connect to the network.