IX. Match the sentences and find the continuation

1. Networking allows two or more computer systems to 2. LANs are usually 3. A router is a device that 4. Hotspots are 5. WANs have no geographical limit and may		a) connect computers on opposite sides of the world b) WLANs available for public use. c) exchange information. d) placed in the same building e) forwards data packets.
	- it is needed to link a LAN to another network. - share resources and peripherals. - in places like airports and hotels - they can be built with two main types of architecture - they are usually linked through telephone lines, fibre-optic cables or satellites

X. Fill in the gaps

LAN nodes hub backbones WLAN peer-to-peer server

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

2. The style of _______________ networking permits (дозволяє) each user to share (спільно використовувати) resources such as printers.

3. The star is a topology for a computer network in which one computer occupies (займає) the central part and the remaining ________________ are linked solely (виключно) to it.

4. At present Wi-Fi systems transmit(передає) data at much more than 100 times the rate of a dial-up modem (комутований модем), making it an ideal technology for linking computers to one another and to the Net in a_______________.

5. All of the fibre-optic _______________ of the United States, Canada and Latin America

cross Panama.

6. A _____________ joins multiple (численні) computers (or other network devices) together to form a single network segment (єдиний мережевий сегмент), where all computers can communicate directly with each other.

XI. Make the right choice

1. LANs can be built with two main types of architecture peer-to-peer or ______________.

a) workstation	c) client-server
b) node	d) router

2. Ethernet is one of the most common protocols for___________.

a) WANs	c) WLANs
b) LANs	d) Hotspots

3. A router is a device that ___________________.

a) redistributes the data	c) forwards data packets
b) controls the data	d) exchanges the data

4. Topology refers to the ___________________.

a) shape of a network	c) data packets
b) wireless fidelity	d) redistribution of the data

5. Wireless WANs use _________________.

a) fibre-optic cables	c) mobile telephone networks
b) broad band services	d) mixed topologies

6. To build a WLAN you need _____________.

a) workstations	c) nodes
b) access points	d) broad band services