![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Under which circumstance is a router on a stick most appropriate?
A.
When a router have multiple subnets on a single physical link.
B.
When a router have single subnet on multiple physical links.
C.
When a router have multiple interface on single physical links.
D.
When a router have single interface on multiple physical links.