Which two statements about the BGP backdoor feature are true? (Choose two.)

A.
It makes IGP learned routes preferred over eBGP learned routes.

B.
It makes iBGP learned routes preferred over IGP learned routes.

C.
It changes the eBGP administrative distance from 20 to 200.

D.
It makes eBGP learned routes preferred over IGP learned routes.

E.
It changes the eBGP administrative distance from 200 to 20.

F.
It changes the iBGP administrative distance from 200 to 20.

Explanation:
The “Backdoor Feature” is often used to increase the administrative distance of eBGP to
200 with the goal of making the IGP learned routes to be preferred.
https://supportforums.cisco.com/document/148471/what-bgp-backdoorfeature