Malachi, a security professional, implemented a firewall in his organization to trace incoming and outgoing traffic. He deployed a firewall that works at the session layer of the OSI model and monitors the TCP handshake between hosts to determine whether a requested session is legitimate. Identify the firewall technology implemented by Malachi in the above scenario.

3DES can best be classified as which one of the following?

3DES can best be classified as which one of the following?