What is an advantage of configuring subinterfaces in a Frame Relay environment?
- It makes the DLCIs globally significant.
- It eliminates the need for using Inverse ARP.
- It solves split-horizon issues.
- It improves flow control and bandwidth usage.
Explanation: When point-to-point subinterfaces are used, each VC is on a separate subnet; therefore, split horizon is not an issue. From the perspective of the router, each VC is on a separate (logical) interface. This eliminates split horizon as an issue.
Exam with this question: EWAN v4 Chapter 3 Check Your Understanding: Frame Relay
Exam with this question: CCNA 4 Exploration v4.0 Chapter 3 Quiz
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