Question 8:
A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Which description of the possible cause of issues in the routing domain is true?
Answer options:
A. The same interface cannot be advertised in two different IS-IS instances B. The IS-IS "ISP" and "ISP2" instances are unrelated and unable to intercommunicate C. The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship D. The interface mode ip router is-is command was not included in the script