Operation of the Internet

Understanding the Internet requires knowledge of terminology, but as or more important is the ability to frame and respond to questions about how it works. Provided below is a significantly condensed homemade diagram of the Internet. Immediately following the diagram is a list of terms set of that will probably be useful in discussing the questions which are provided further below.

You should have received/seen a blank form of this handout/page earlier and completed it in personal research or discussion. This handout/page can be used to compare your understanding with someone else's.

Diagram created using Inspiration® by Inspiration Software, Inc.

Term `====================`	Description and Function `===============================================================================`
host
router
client
packet
domain name
DNS
bridge
gateway
firewall
HTML
FTP
HTTP
HTTPS
IP address
IP
TCP
TCP/IP
ISP
NSP
modem
redundancy
telnet
ssh
URL
LAN
packet switching
ethernet

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!-- ........................................................... Questions -->

Question =================================	Response ======================================================
I can't log in? Can you? Is the net down?
Is your internet slow today?
I can't get to this-dot-that (a URL), can you?
What does "File Not Found" mean?
My e-mail is not working, is yours?
I got a message saying my e-mail was undeliverable? What does that mean?
My friend sent me an email but I never got it, why?
Isn't the internet like the telephone system?

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