Refer to the Exhibit
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.
Interface loO must be configured in the IS-IS hierarchy
B.
Each network interface needs a unique family ISO address
C.
The IS-IS level for an each interface must be specified
D.
The ISO address for interface loO is not in hex format