Telecommunications Definitions

Question 1

Define Telecommunications

Answer 1

Electronic communications of information over distance

Question 2

Analogue Dial up

Answer 2

A modem is a device that converts a digital signal from a computer to an analogue signal that can be transmitted through ordinary phone lines. Ties up the phone lines

Question 3

Telecommunications pipelines

Answer 3

Information transmitted by Telecommunication systems travel through channels called pipelines

Question 4

Cable

Answer 4

Cable pipeline connects computers via coaxial cable to provide voice and data transmission. Have limited amount of bandwidth, large number of users can slow down internet speed.

Question 5

Digital Subscriber Line DSL

Answer 5

A medium for transferring data over regular phone lines and can be used to connect internet.

Question 6

Satellite

Answer 6

Telecommunications network provided by orbital communication systems

Question 7

Wireless Connections

Answer 7

Uses radio frequency to transfer information between two or more points without the use of physical connection

Question 8

Wireless fidelity WIFI

Answer 8

Wireless network set up for public

Question 9

Fiber optics cables

Answer 9

Glass threads that can transmit large amounts of information at the speed of light

Question 10

Internet

Answer 10

World wide public communications network tang connects private networks

Question 11

Web Browser

Answer 11

The application of software used to access and view web pages . Internet Explorer, google, firefox

Question 12

Search engine

Answer 12

Assists in finding information quickly by entering key words and phrases. Ask, google, binge and Yahoo

Question 13

Webcasting

Answer 13

Broadcasting a live or recorded audio/video message over the internet

Question 14

Web conferencing / Web meeting

Answer 14

Uses software to take part in a real time meeting via the internet from anywhere in the world

Question 15

Webinar

Answer 15

A seminar presented over the internet

Question 16

Sharepoint

Answer 16

Web application platform developed by Microsoft ised as a secure place to store , organize, share and access information from almost any device

Question 17

Slideshare

Answer 17

Online presentation systems

Question 18

Local Area Network LAN

Answer 18

Civ3rs small areas and links computers, printers and other devices within an office, building or several nearby

Question 19

Metropolitan Are Network MAN

Answer 19

Connects across region or cities

Question 20

Wide area Network WAN

Answer 20

Largest public network which is internet

Question 21

Intranet

Answer 21

Private network that uses web and other web technology and cab inke be accessed by organizations employees through LAN or MAN

Question 22

Extranet

Answer 22

Uses web technology but is available to certain individuals, companies and other outside the organization. Access is controlled by usernames and passwords. Ie banks

Question 23

Computer virus

Answer 23

A piece of programming code that is capable of copying itself and tupickt can corrupt the system and destroy data

Question 24

Malware and worms

Answer 24

A computer program that replicates itself in order to spread to other computers . Relies on security failures to access computers

Question 25

Trojan Horses

Answer 25

A destructive program that masquerades a benign application. Claimed to rid your computer of virus but instead introduces them

Question 26

Phishing

Answer 26

Tries to obtain financial and other confidential information from users, send an email that looks legitimate but contains a fake website that replicates the real one.

Question 27

Spyware

Answer 27

Computer can get infected through email attachments or from free content you download from the internet. Intent is to spy

Question 28

Hacking

Answer 28

Gaining access to a computer and viewing, copying or creating data to benefit by exposing weaknesses in a computer network

Question 29

Spam

Answer 29

Send the same message indiscriminately to large njmbe roof recipient on the internet

Question 30

Blue jacking

Answer 30

Hacking method that allows individuals to send anonymous, unsolicited messages to bluetooth enabled devices within a certain radius

Question 31

Cookies

Answer 31

Files stored on your computer that allows websites to remember your information

Question 32

Mousetrapping

Answer 32

Technique that forces users to stay on a specific website by disabling the back button

Question 33

Page Jacking

Answer 33

Illegally copying a legitimate website content to another website designed to replicate the original website. Intent is to illegally direct traffic from the original site to the cloned one to get information on the user.

Question 34

Pharming

Answer 34

Re-direvtinf website traffic through hacking hacker directs traffic to a fake website