Cisco Certified Network Professional (CCNP) Question:
Download Questions PDF

What does the term information hiding mean in relation to route summarization?


At the core layer in the postal system, the only information that is needed to make a routing decision is the state or city/state information. The specific street names and street numbers are hidden, the core layer does not need this information. At the core layer in the telephone system, the area code is used to make a routing decision. The specific exchange or last four digits of the phone number are not needed, or hidden, from the core layer.

Download CCNP Interview Questions And Answers PDF

Previous QuestionNext Question
Describe the difference between routing and switching.How does the use of a hierarchical routing structure (access, distribution, and core) enable a scalable delivery system?