As an experienced technician, you are responsible forT echnical Support in your company. One of the trainee implement RIP routing contests in MPLS VPN. How to respond?（）

• A、Routing contexts are implemented in a single routing process.
• B、Routing contexts are implemented using multiple roubng processes.
• C、Routing contexts are implemented as a single instance of several routing processes.
• D、Routing contexts are implemented as several instances of a single routing process.