Refer to the exhibit. Which two of these statements are correct? (Choose two.)

A.
Certkiller 1 originated label 20.

B.
Certkiller 1 will append label 21 to incoming packets labeled 32.

C.
The Certkiller 1 downstream neighbor originated label 20.

D.
Certkiller 1 originated label 21.

E.
Certkiller 1 will impose label 20 on incoming packets labeled 32.

F.
The Certkiller 1 upstream neighbor originated label 21.