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400-007 · Question #340
400-007 Question #340: Real Exam Question with Answer & Explanation
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Question
Two routers R1 and R2 are directly connected through an Ethernet link. Both routers are running OSPF. OSPF has been registered with BFD and BFD is running in asynchronous mode with the echo function enabled. Which two actions occur that are related to the echo function? (Choose two.)
Options
- ABFD echo packets are sent from forwarding engines along the Layer 2 path to perform detection
- BBFD control packets are sent at a higher pace because the echo function is enabled
- CBFD sessions at either end actively participate in the forwarding of echo packets
- DBFD control packets are sent at a slower pace because the echo function is enabled
- EOnly BFD control packets are sent from forwarding engines along the Layer 2 path to perform
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