| Answer the following questions using the information from parts 1, 2 and 3 of the text.1. What elements does a typical network consist of? 2. What are the functions of switches? 3. What is a LAN switch? 4. What is a segment? 5. What can you say about the backbone of a network? 6. What is the difference between LAN and WAN? 7. Through what equipment is every computer connected to a network? 8. What is the physical address of any device on the network? How long is it? 9. What do the terms “unicast”, “multicast” and “broadcast” mean? 10. What are the most common topologies in use today? 11. Please, describe a bus topology. 12. What can you say about a ring topology? 13. Could you tell some words about star topology? 14. What does a star bus topology combine?
Decide whether the following statements are true (T) or false (F) in the relation to the information in parts 1, 2 and 3 of the text. If you think a statement is false, change it to make it true.
1.
| □
| A typical network consists of nodes, a connecting medium and specialized network equipment like routers or hubs.
| 2.
| □
| Switches are unimportant part of any networks because they slow things down.
| 3.
| □
| LAN switches provide a separate connection for each node in a company`s internal network.
| 4.
| □
| The backbone is not the main cabling of a network that two or three nodes connect to.
| 5.
| □
| Topology is the specification of a switch used on the network.
| 6.
| □
| Every computer (and most other devices) is connected to a network through a USB.
| 7.
| □
| The MAC address, which is made up of two equal parts, is 6 bytes long.
| 8.
| □
| Multicast is a transmission from one node addressed to all other nodes on the network.
| 9.
| □
| In a bus network, information sent from a node travels along the backbone until it reaches its destination.
| 10.
| □
| In a star network, a hub performs all types of filtering and routing of traffic.
|
Make summary of parts 1, 2 and 3 of the text.
Open the brackets, putting the verbs in the correct tense-aspect form. Be careful with non-finite forms.
Date: 2015-01-02; view: 1374
|