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.