Refer to the Exhibit.

In the exhibit, the 172.32.1.0/24 prefix is being sent from Router A to Router B through BGP.
When the BGP announcement for 172.23.1.0/24 is sent from Router B and received by Router C,
which two attributes will be changed by default? (Choose two.)

A.
AS path

B.
origin

C.
multiple exit discriminator (MED)

D.
next hop

Explanation: