WJEC GCSE Computer Science Cyber security overview quiz quiz

A set of rules for network communication

Malicious software designed to damage or gain access to a system

A method of encrypting data

A type of network cable

A firewall

Encryption

Ransomware

A switch

Tricking a user into revealing personal information via fake emails or sites

Flooding a server with traffic

Scrambling data with a key

Trying many passwords until one works

Encrypts the user's files for ransom

Captures data travelling across a network

Disguises malware as useful software

Tries many possible passwords until one works

To make a system unavailable to its legitimate users

To steal a user's password

To encrypt all the files on a disk

To trick a user into clicking a link

A network cable

A database, via a website input field

The CPU's registers

A printer's driver

A worm spreads by itself; a virus needs a host file and user action

A virus spreads by itself; a worm needs a host file

They are exactly the same

A worm is a protection, not a threat

Scrambles data so it cannot be read

Confirms a user's identity at login

Controls traffic entering and leaving a network, blocking unauthorised connections

Backs up files to a separate location

So intercepted data cannot be read without the key

To make files smaller

To speed up the network

To remove the need for passwords

Filtering network traffic

Confirming that a user is who they claim to be

Reorganising files on a disk

Flooding a server with requests

It makes web pages load faster

It removes the need for any password

It compresses data automatically

A stolen password alone is not enough to gain access

Detects and removes malicious software

Routes data across the internet

Stores web pages for a browser

Translates programs into machine code

A real criminal attack on a system

A controlled, authorised attack to find weaknesses before criminals do

A way of encrypting a hard disk

A method of speeding up a network

To set rules for using a network safely and responsibly

To encrypt all network traffic automatically

To replace the firewall

To store cookies in the browser

Because cookies are a type of malware

Because cookies slow the CPU down

To protect their privacy, since cookies can track activity

Because cookies encrypt the whole disk

A faster processor

Encryption

Defragmentation

A larger hard disk