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

Why are multiple protocols used, such as a package, addressing, delivery, and transportation, instead of using one protocol defining everything?


Using multiple protocols is modular and allows changes to one protocol without affecting the others. For example, if the addressing protocol is dependent on the delivery protocol, changes to one would imply changes need to be made to the other.

Download CCNP Interview Questions And Answers PDF

Previous QuestionNext Question
How does the use of a hierarchical routing structure (access, distribution, and core) enable a scalable delivery system?Can you think of another familiar system that routes using a hierarchical delivery system?