1. B2B business-to-business B2C – business-to-consumer

UNIT 6: NETWORKING
LESSON 8: WLAN: LANs. Network topology.
Task 1: Use the word’s in the box to complete the sentences.

LAN nodes hub backbones WLAN peer-to-peer server

1 All the PCs on a ……… LAN  …………….are connected to one ……… server ………., which is a powerful PC with a large hard disk that can be shared by everyone.

2 The style of……… peer-to-peer  …………networking permits each user to share resources such as printers.
3 The star is a topology for a computer network in which one computer occupies the central part and the remaining ………… nodes  …………are linked solely to it.
4 At present Wi-Fi systems transmit data at much more than 100 times the rate of a dial-up modem, making it an ideal technology for linking computers to one another and to the Net in a ………… WLAN …………….. .
5 All of the fibre-optic ………… hub …………of the United States, Canada and Latin America cross Panama.
6 A ……… backbones …………joins multiple computers ( or other network devices) together to form a single network segment, where all computers can communicate directly with each other.


LESSON 9: The Internet. The World Wide Web.
Task 1. Complete these instructions about how to navigate with the words in the box.

Client web page surf web browser Search engine web server website URL

1. 
   Start up your computer and connect to the Internet.
   
2. 
   Open your web browser.
   
3. 
   Type the URL..to access a website.
   
4. 
   Your web browser sends the request to the correct web server.
   
5. 
   The server looks for the document and sends it to the web page .computer.
   
6. 
   Your web browser displays the selected website .on the screen.
   
7. 
   From the home page of the Client you can surf to other pages by clicking on hyperlinks.
   
8. 
   If you want to find more websites, use a Search engine .