When designing a layer 2 STP-based LAN with Layer 3 FHRP, which design recommendation should be followed?
A . Avoid modifying default STP and FHRP timers.
B . Assign the native VLAN to the lowest number in use.
C . Avoid configuring router preemption.
D . Align the STP root with the active FHRP device.
Answer: D