CCNA R&S Exam Prep Question of the Week

CCNAQuestionWeek13What are two characteristics of frame relay point-to-point subinterfaces? (Choose two.)

A. They are ideal for full-mesh topologies.
B. They require a unique subnet within a routing domain.
C. They create split-horizon issues.
D. They emulate a point to point circuit.

 

Answer: B and D.

Point-to-point subinterfaces are used to help solve issues with split-horizon for Routing Information Protocol (RIP) and Enhanced Interior Gateway Routing Protocol (EIGRP). They look like dedicated lease lines and to the router are independent interfaces and require separate and unique addressing.

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