— Exhibit — — Exhibit — Click the Exhibit button. An operator is unable to establish any IS-IS
adjacencies on a router in the network. Based on the configuration shown in the exhibit,
what is the problem?

A.
The ISO address for interface lo0 is not in hex format.

B.
Interface lo0 must be configured in the IS-IS hierarchy.

C.
Each network interface needs a unique family ISO address.

D.
The IS-IS level for an each interface must be specified.