- •Lan Switches Part 1. Introduction to lan Switches
- •Part 2. Networking Basics
- •Part 3. Network Topologies
- •Essential vocabulary (1), (2), (3)
- •Exercises
- •1. Find in parts 1, 2 and 3 of the text English equivalents for the following words and phrases:
- •8. Translate these passages in writing:
- •9. Answer the following questions using the information from parts 1, 2 and 3 of the text.
- •10. 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.
- •The Network Switch
- •13. In the box below you can see three topologies of a network. Give main advantages and main disadvantages of each of them.
- •14. Render the following text in English. Характеристики, влияющие на производительность коммутаторов.
Exercises
1. Find in parts 1, 2 and 3 of the text English equivalents for the following words and phrases:
статьи о построении компьютерной сети; специализированное сетевое оборудование; в отношении чего-л.; коммутатор ЛВС; основной компонент; беспрепятственно и эффективно; сосредоточиваться на сетях Ethernet; прозрачная маршрутизация; связующее дерево (сети); основной сетевой кабель; передавать больше информации, чем отдельные сегменты; иметь скорость передачи 10 Мбит/с; топология сети; находиться в пределах здания; сетевая интерфейсная плата; физический адрес любого устройства в сети; состоять из двух равных частей; предназначенный для определённого адреса выделенной группы пользователей; предназначенный для передачи всем узлам в сети; топология типа «шина»; последовательное подключение; достигать целевого узла; заканчиваться резистором; предотвращать возврат сигнала; топология типа «кольцо»; использование маркера; и так далее; передавать и получать информацию по очереди; топология типа «звезда»; сетевой концентратор; осуществлять фильтрацию и маршрутизацию данных; соединять все другие узлы; объединять элементы звездообразной и шинной топологий; создавать универсальную сетевую среду.
2. Transcribe and learn to read the following words:
medium, portion, identify, specifically, multicast, bouncing, circuit, combine, versatile, through.
3. Write the Past Indefinite and the Past Participle of the verbs:
allow, speed, provide, learn, operate, carry, plug, travel, keep, join, come.
4. Find in parts 1, 2 and 3 of the text antonyms to the following words:
to forbid, external, to separate, secondary, common, beyond, resemblance, peripheral, undoubtedly, special, above.
5. Give all possible derivatives of the following words. Use dictionary if necessary.
To connect, information, different, to create, to identify, to intend, to terminate.
6. Write the expansions of the following abbreviations and learn them:
LAN switch, WAN, VLAN, NIC, MAC address.
7. Match the definitions on the left with the words they denote on the right.
1. A group of computers and other devices dispersed over a relatively limited area and connected by a communications link that enables any device to interact with any other on the network. |
a. Network |
2. A device capable of forwarding packets directly to the ports associated with particular network addresses. |
b. Nod |
3. An expansion card or other device used to provide network access to a computer or other device, such as a printer. |
c. Switch |
4. A geographically widespread network, one that relies on communications capabilities to link the various network segments. |
d. Backbone |
5. Transmission between a single sender and a single receiver over a network. |
e. Topology |
6. In networking, a device, such as a client computer, a server, or a shared printer, that is connected to the network and is capable of communicating with other network devices. |
f. LAN |
7. The wires that carry major communications traffic within a network. |
g. WAN |
8. Sending a message simultaneously to more than one destination on a network. |
h. Network Interface Card |
9. The configuration or layout of a network formed by the connections between devices on a LAN or between two or more LANs. |
i. Medium |
10. In communications and on networks, a message distributed to all stations. |
j. Unicast |
11. A group of computers and associated devices that are connected by communications facilities. |
k. Multicast |
12. A substance in which signals can be transmitted, such as a wire or fiber-optic cable. |
l. Broadcast
|