September 2004
Beginner
432 pages
7h 37m
English
Content preview from Routing first-step
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Appendix A. Answers to Chapter Review Questions
Chapter 1
Describe why postal addresses and telephone numbers are routable. | |
Answer: A postal address has three components that can be used to deliver mail: state, city, and street. A phone number has an area code and exchange. At the core layer, mail can be delivered to the next post office based on only the state or city and state information. A phone number is delivered at the core layer based on the area code. | |
What is the purpose of a default route? | |
Answer: A default route is used if there is not a specific entry in the routing table for the destination. | |
Describe the difference between routing and switching. | |
Answer: Routing moves a letter or telephone call to the access layer (as ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.