O-Level Computing (7155) Networks and the Internet quiz: LAN and WAN, IP and protocols, internet versus web, security threats and protection quiz

A single computer with several programs installed

A program that browses web pages

Two or more computers connected so they can share data and resources

The hard disk inside a computer

A network that spans several countries

A single cable between two cities

The global network of all computers

A network that connects computers over a small area such as one office

The internet

A school computer lab

A home Wi-Fi network

A single office building's network

Files and printers can be shared

Greater exposure to security threats

An internet connection can be shared

Software can be managed centrally

To store the contents of a web page

To encrypt all data on a network

To uniquely identify a device on a network so data can reach it

To measure network speed

A physical cable in a network

The name of a web browser

A type of malware

An agreed set of rules for how data is formatted and exchanged between devices

So chunks can be routed efficiently and lost ones resent

So it can be sent only as plain text

So it uses no IP address

So it cannot be encrypted

They are exactly the same thing

The internet is the global network; the web is one service (web pages) running on it

The web is the global network; the internet is just email

The internet only carries web pages

CPU

RAM

HTTP

LAN

Flooding a server with traffic until it fails

Connecting two computers with a cable

Encrypting data so it cannot be read

Sending fake messages that trick a user into revealing personal data

Overwhelming a system with traffic so it cannot serve legitimate users

Guessing a user's password

Reading data as it travels across a network

Installing antivirus software

It deletes the data before it is sent

It scrambles the data so it cannot be read without the key

It makes the data travel faster

It blocks all incoming traffic

Removes viruses already on the disk

Stores backup copies of files

Monitors and controls traffic entering and leaving the network, blocking unwanted connections

Speeds up the CPU

To give every user full control of the system

To increase the number of CPU cores

To encrypt the network cables

To limit each user to only the data and actions they need