Refer to the exhibit:

The Branch router displays knowledge of a route to network 172.16.0.0/16. The actual network number at headquarters is 172.16.1.0/24. Why does the network number appear as it does in the routing table?

A.
The routing protocol on the Branch router has been misconfigured.

B.
The Branch router has a static route configured for the 172.16.0.0/16 network.

C.
The Branch router is configured to summarize to classful boundaries.

D.
The routing protocol on the HQ router is using automatic route summarization.

E.
The routing protocol that is forwarding this route only sends classful updates.