ICT: Lesson 4 Slideshow Version

Question 1

When two or more computers are
connected
(wired or wirelessly)

Answer 1

COMPUTER NETWORK

Question 2

A type of network designed to keep information
safe. This kind of network can be accessed
from outside and inside the organization.

Answer 2

EXTRANET

Question 3

A type of network designed to keep
information safe. This kind of network is behind
an organization’s firewall. Unless authorized,
you can’t access any files on this network.

Answer 3

INTRANET

Question 4

A group of connected computers within
a small geographic area, like a building.

Answer 4

LOCAL AREA NETWORK (LAN)

Question 5

A group of connected computers within a city,
usually spanning two or more buildings. Larger than
a LAN because it covers a larger geographic area.
Often operated by local governments or private
companies.

Answer 5

METRO AREA NETWORK (MAN)

Question 6

The largest type of network. Connects
two or more LANs together. The largest
type of this network in existence is the
internet.

Answer 6

WIDE AREA NETWORK (WAN)

Question 7

This network is created when
multiple devices are connected via
Bluetooth.

Answer 7

PERSONAL AREA
NETWORK (PAN)

Question 8

A secure network designed to allow access
to a private network using a public network.
(Like a secret entrance tunnel under a public building)

Answer 8

VIRTUAL PRIVATE
NETWORK (VPN)

Question 9

The standard protocol suite used to
connect computer devices to most
networks and is the protocol required
by devices using the internet.

Answer 9

TCP/IP
(Transfer Control Protocol/Internet Protocol)

Question 10

The physical layout of
a network

Answer 10

NETWORK TOPOLOGY

Question 11

The end user’s
computer

Answer 11

CLIENT

Question 12

A powerful computer that
stores information and
processes requests from the
connected clients

Answer 12

SERVER

Question 13

In this network model, the end user typically
uses a PC to send requests to a more powerful
computer. These requests might be printing
requests or requesting access to the internet.

Answer 13

CLIENT/SERVER
(NETWORK MODEL)

Question 14

An access point to the mainframe that
provides a connection for a keyboard,
mouse and monitor. This is not an actual
computer and cannot process the
information.

Answer 14

TERMINAL

Question 15

In this network model, the host does all
the processing. The client just provides a
connection for input/output devices.

Answer 15

MAINFRAME/TERMINAL
(NETWORK MODEL)

Question 16

In this network model, every computer
functions as a client and a server.
This model is used to share files.

Answer 16

PEER-TO-PEER
(P2P)

Question 17

A reference model created to
standardize the way computers
communicate with each other.
Features 7 layers.

Answer 17

OSI MODEL
(OPEN SYSTEMS INTERCONNECTION)

Question 18

Used to transfer files from computer to computer over the Internet
The most common use for this is publishing a Web site to a Web server

Answer 18

FTP (File Transfer Protocol)