A. Multilayer switch An encrypted tunnel across an unsecured infrastructure. B. Broadcast domain A piece of software or a non-inline device that detects suspicious activity, logs the action, sends an alert, and can even notify another device to take corrective action.
C. PuITY A switch that operates at both Layer 2 and Layer 3 of the OSI model.
D. Client/server A group of computers that receive each other's broadcast messages.
E. Peer-to-peer A VPN protocol that has clients connect to the VPN server using a standard messages Web browser.
F. VPN A virtual network that allows hosts to belong to the same network ID, even if they are connected to different network switches that are in different geographi locations.
G. IPsec A network that has a dedicated server sharing resources and clients that connect to that server to access those resources.
H. SSL An inline piece of software or a device that detects suspicious activity and then takes corrective action itself.
I. VLAN Delaying some or all packets, to bring them into compliance with a desired traffic profile. It is a form of rate limiting
J. Traffic shaping A VPN protocol that used to be used with L2TP VPNs, but now is a complete VPN solution by itself.
K. IDS A network in which all systems act as both clients and servers.
L. IPS A popular SSH client, Telnet client, and terminal emulator.