H12-224 Web TestEngine demo

Select all that apply.

• A

  The network gateway of the application layer checks application-layer data carried in packets passing through the gateway.

• B

  The network gateway for session status detection checks session information carried in packets only at the session layer.

• C

  During packet filtering, the session status is checked and the whole data stream is analyzed.

• D

  Address proxy replaces IP addresses and port numbers of hosts within the network with the IP address and port number of the proxy device or router.