Multimedia applications transmit requests on TCP, get responses on UDP or TCP, use dynamic ports, and use the same port for source and destination, so they can pose challenges to a firewall. Which three items are true about how the Cisco ASA adaptive security appliance handles multimedia applications? (Choose three.)
A. It dynamically opens and closes UDP ports for secure multimedia connections, so you do not need to open a large range of ports.
B. It supports SIP with NAT but not with PAT.
C. It supports multimedia with or without NAT.
D. It supports RTSP, H.323, Skinny, and CTIQBE.
Answer:A
Multimedia applications transmit requests on TCP, get responses on UDP or TCP, use dynamic ports, and use the same port for source and destination, so they can pose challenges to a firewall. Which three items are true about how the Cisco ASA adaptive security appliance handles multimedia applications? (Choose three.)
A. It dynamically opens and closes UDP ports for secure multimedia connections, so you do not need to open a large range of ports. B. It supports SIP with NAT but not with PAT. C. It supports multimedia with or without NAT. D. It supports RTSP, H.323, Skinny, and CTIQBE.