Cisco Certified Network Professional (CCNP) Question: Download Questions PDF
Describe the difference between an OSPF and IS-IS backbone.
Answer:
OSPF has a backbone area or area 0. All nonzero areas must be connected to the backbone through a router or a virtual link. IS-IS has a backbone area made up of a contiguous chain of Level 2 capable routers.
Download CCNP Interview Questions And Answers
PDF
| Previous Question | Next Question |
| Assume a router has a loopback address of 135.77.9.254. Convert the loopback address to an IS-IS system ID. | In IS-IS, what does Level 1 routing mean? |