Data-Path Virtualization: VRF, GRE, IPsec Tunneling
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Two customers use the same IP prefix on one router. What enables separation?
Focus area:
VRF isolation. Which option gives the best ENCOR-level interpretation?
Select one option.
A
Treat VRF isolation as a cosmetic naming issue and accept the design as long as the interface status is up.
B
Ignore VRF isolation because it is outside the forwarding or operational behavior tested in 350-401 ENCOR.
C
Assume VRF isolation is correct whenever the device accepts the command, without validating state, policy, counters, or failure behavior.
D
Replace the requirement with a single flat VLAN or static route design, even when the scenario requires the specific Data-Path Virtualization: VRF, GRE, IPsec Tunneling capability.
E
VRF creates separate routing tables so overlapping prefixes can coexist without conflicting.
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