Which well-known tunneling technology provides network layer authentication and optional encryption to make data transfer over the Internet secure?
Which well-known tunnel technology is fast, simple to implement, supports multiple routed protocols, but it provides no security?
Which component of MPLS architecture uses protocols such as the label distribution protocol (LDP) and tag distribution protocol (TDP) to exchange labels?
Which component of MPLS architecture is a simple label-based forwarding engine that is independent of the type of routing protocol or label exchange protocol?
Which routers in an MPLS VPN service provider’s network are used to connect to the customer’s routers?
Which MPLS VPN implementation allows selected sites in one simple VPN to communicate with selected sites of a second VPN?