Click the Exhibit button. The IGP is IS-IS. R2 has configured its loopback interface in Level
2 only. Referring to the exhibit, which statement is true?

A.
R1 cannot reach R2’s loopback address.

B.
R1 uses a default route to reach R2’s loopback address.

C.
R1 automatically selects R2 as the default gateway to reach R2’s loopback address.

D.
R2 advertises its loopback address to all L1 adjacencies.

Explanation: