Cisco Exam Questions

what design recommendation should be followed?

When designing layer 2 STP based LAN with FHRP, what design recommendation should be followed?

A.
Assign STP root with active FHRP device

B.
Assign native VLAN to lowest number in use

C.
Avoid configuring router preempt

D.
Avoid modifying STP & FHRP default timers