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Mastering Intranet and Internet Technology
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An Intranet or Internet Host Review

1. Define a Server Host

A platform (machine and associated operating system) that supports a particular service.
A given machine may host one or many services.

2. Why are IP Addresses important?

All the Internet services use IP Addresses to identify host and client machines. Without an IP Address a machine doesn't exist on the Internet.

3. How do Domain Names relate to IP Addresses?

A machine must have an IP Address. A Host Name is optional. A particular machine may have mor ethan one Host Name. (This is called multi-homing.)
The Domain Name System (DNS) resolves Domain Names to IP Addresses and IP Addresses to Domain Names.

4. List some possible host platforms (hardware and O/S).

Possible Host Platforms
Hardware Software
PC Win NT
NetWare
Unix
OS/2

5. What's the difference between RISC and CISC?

RISC = Reduced Instruction Set Computer
CISC = Complex Instruction Set Computer

RISC uses a small number of (supposedly) very efficient commands to perform all required operations. CISC has a wide set of commands - often one for each function.

Nowadays, there's not much of a performance difference between comparable CISC and RISC processors. E.g. The Pentium II processor tends to be a little better handling text than a PowerPC. While the PowerPC tends to handle graphics faster. Though, there's not much in it.

6. What types of Internet Connection are available?


7. Where do SLIP and PPP fit in?

At Layer 2 of the OSI Reference Model.
They support the transmission of IP traffic across a dial-up/modem connection.

8. Why is Security important?

It may save your life/company/department/network/job...

To prevent unauthorised access to your Intranet.

9. What arrangements can be made to protect your Intranet from the Internet?


10. List any terms or concepts that you would like more information on.



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NBS Internet Marketing Last Update: 24/11/98 Web Author: Geoff May
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