A Service Provider Network Is Comprised of Several PE Routers

question 267

Multiple Choice

A service provider network is comprised of several PE routers that run iBGP with a pair of route reflectors for all BGP address families. Which two characteristics of the Constrained Route Distribution for BGP/MPLS VPNs scenario are true? (Choose two.)

• A) The RR must advertise the default route target filter toward the PE routers
• B) PE and RR routers must support this feature
• C) Route distinguishers are used to constrain routing updates
• D) The RRs do not need to advertise any route target filter toward the PE routers
• E) This feature must be enabled on all devices in the network at the same time

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