Communication
Real-time information
Commerce
Government
List Four types of facilities that users can access over the internet which allows data exchange and interaction
100
Allows internet connection for clients.
What is ISP?
100
Sends data across a network efficiently.
List 1 advantage of packet switching?
100
if one or more packets are lost or corrupted during transmission the whole file will not received correctly
What is the disadvantage of packet switching?
100
Because it it where one computer system connects with a different system to transfer data.
Why is a protocol called a "handshake"?
200
It is when a web page host an advert for other organisation.
What is Pay-per click advertising?
200
It is the protocol that allows you to request web pages and download them to your computer.
What is HTTP
200
Threats from people who see an opportunity such as unattended computer.
What are opportunist threats?
200
Benefit,the information to process does not be to be downloaded to the clients computer
drawback,when data is transferred across the internet it more at risk of security threats
What is the benefits and drawbacks of server side processing?
200
A fake email or website that is trying to trick the user into handing over their person data
What is Phishing?
300
Radio Freequency Idenctification
What does RFID stands for?
300
They look around the internet for web pages and when they find it they log it in into an indexed database.
What is the main role of web spiders?
300
This is software that allows you to create and use your own database. It creates tables and fields, and can sort and search for data. It can also allow for different levels of access by different users.
What is Database Management system?
300
Email is known as stored and forward system.
What type of system is an Email?
300
Is a method of real-time communication over the internet e.g skype
What is Voice over protocol? and give one example
400
File Compression it is making a file smaller so that they take up less space in a computer memory.
What is File Compression?
400
This points to a specific web page.
What is a Path?
400
Data Definition Language (DDL)- Defines the structure of the database.
Data Manipulation Language (DML)- Can make changes to the database.
What two parts is the structured query language made up of and what do they do?
400
A wired connection using modem and telephone lines.
What is Dial up connection?
400
Uses short waves lengths to transmit data,it is invisible to the human eye
What does a microwave do?
500
As it is installed onto the hard drive,it can be used where there is no internet access
It runs faster than online software with a poor internet connection.
What is an advantage of standalone
500
Signals going both directions but the devices don't transmit at the same time.
What is Half-Duplex?
500
Password control of access
Access Levels
Anti-virus software
Firewall
List physical barriers of data protection?
500
It takes data from user's application
What is an advantage of TCP?
500
Is the set of rules of which users should conform when online.