What is true of hot-swappable hardware?

What is true of hot-swappable hardware?
A . All components need to be rearranged after swap
B . Reboot is required after a change
C . All fans need to be running to ensure proper cooling
D . Replaceable with zero downtime

View Answer

Answer: D

Explanation:

Reference: https://whatis.techtarget.com/definition/hot-swap