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Year 9 ICT Q4: Threats to data security

Total questions: 80

Worksheet time: 38mins

Name
Class
Date
1.

What is information that you should be careful about sharing online?

a)

your name, address, phone number

b)

your dog's name

c)

your favourite band

d)

your favourite chocolate bar

2.

What is encryption?

a)

It makes data unreadable to anyone who doesn't have the key.

b)

It makes data easier to read.

c)

It shrinks data to make it easier to share.

d)

It makes copies of your data.

3.

An encryption key like a password is used to decrypt messages.

a)

true

b)

false

4.
When criminal activities are carried out by means of computers or the Internet, this is known as?
a)

cyber crime

b)

physical crime

c)

emotional crime

d)

mental crime

5.

Encryption is...

a)

the process of converting data into a unreadable version

b)

returning encrypted data back to its readable form

6.

Decryption is...

a)

the process of converting data into a unreadable version

b)

returning encrypted data back to its readable form

7.

Choose two examples of private information we share across the public Internet. (Hint: these are in the video)

a)

bank information

b)

public Facebook posts

c)

private emails

d)

announcements on a website

8.

One of the earliest kinds of encryption was a shift cipher, where letters are shifted. The ciphertext EDG was shifted by +3 letters. What is the word?

a)

BAD

b)

BAG

c)

YXA

d)

DOG

9.

One of the earliest kinds of encryption was a shift cipher, where letters are shifted. The ciphertext CBBA was shifted by -3 letters. What is the word?

a)

FEED

b)

DEAF

c)

DEED

d)

ZYYX

10.

Why can't we use shift ciphers today?

a)

encrypted messages are easy to guess

b)

they are too difficult to use

c)

computers are bad at maths

d)

because they take too long to use

11.

According to the video, what two things are needed for modern encryption?

a)

computers

b)

serious maths

c)

a lot of money

d)

a lot of time

12.

Why do we encrypt data?

a)

because not everything should be public: you are allowed to keep secrets

b)

because it's easier than not encrypting it

c)

because the government forces us to

d)

because companies make money from selling encryption tools

13.

Unencrypted messages are called...

a)

plaintext

b)

ciphertext

14.

Encrypted messages are called...

a)

plaintext

b)

ciphertext

15.

Today, most encryption is done...

a)

manually, by hand.

b)

automatically, by computer.

16.

Which is the stronger password?

a)

Soof!mu1

b)

123456

17.

Which is the weakest password?

a)

password

b)

Tigers78542.

c)

Pa$$w0rd

d)

pw12345678

18.

Which is the stronger password?

a)

Smith

b)

KingSmithy1!

19.

What should you do if someone knows your password?

a)

give your password out to other people since somebody already knows it

b)

tell them not to tell anyone else

c)

change your password

d)

don't worry about it

20.

Do...

a)

use a password that is easy to guess

b)

use personal information in a password

c)

write down passwords where somene can find them

d)

make your passwords easy to remember

21.

Don't...

a)

use at least eight characters in your password

b)

use screen locks

c)

use a different password for each account

d)

make your passwords easy to guess

22.

Which of the following makes for a stronger password?

a)

Using a word from the dictionary

b)

Using at least 8 characters

c)

Using my pet's name

d)

Using my birthday

23.

What should never be used in your password?

a)

My name

b)

My birthday

c)

My address

d)

All of the above

24.

A longer password is generally stronger than a shorter one?

a)

True

b)

False

25.

When leaving the computer room, you should always log off to prevent anyone abusing your account.

a)

true

b)

false

26.

Which two options would make a password STRONGER?

a)

Using special characters, like # * & @

b)

Using my pet's birthday

c)

Using my BFF's name

d)

Making it longer

27.

True or False: This is a strong password:

Lovedogs

a)

True

b)

False

28.

A long password consisting of a random string of numbers, letters and special characters like &*nafAN451o!P would be...

a)

STRONG and EASY to remember

b)

WEAK and EASY to remember

c)

STRONG but HARD to remember

d)

WEAK but HARD to remember

29.

A short password consisting of your pet's name like fido would be...

a)

STRONG and EASY to remember

b)

WEAK and EASY to remember

c)

STRONG but HARD to remember

d)

WEAK but HARD to remember

30.

A long password including a song lyric like The snow never bothered me anyway! would be...

a)

STRONG and EASY to remember

b)

WEAK and EASY to remember

c)

STRONG but HARD to remember

d)

WEAK but HARD to remember

31.
What term can be used to describe a person who illegally attempts to access a computer system?
a)
White-hat hacker
b)
Black-hat hacker
c)
Ethical hacker
d)
Unethical hacker
32.
What is shoulder surfing?
a)
Shoulder surfing is the act of using unpatched software to gain access to a secure network.
b)
Shoulder surfing is the act of using a malicious USB device to gain information from a secure system.
c)
Shoulder surfing is the process of trying all possible dictionary words to guess a password.
d)
Shoulder surfing is the act of gaining information by directly observing someone using a system to see their password, for example.
33.
Which of the following is a type of malware?
a)
Worm
b)
Antivirus
c)
Vishing
d)
Cracking
34.
Which term is used to describe when users are manipulated by cybercriminals into giving access to the network?
a)
Penetration testing
b)
Unpatched software
c)
Brute force attack
d)
Social engineering
35.
Which of the following are types of malware?
a)
Worms, Trojans and hackers
b)
Spyware, firewalls and ransomware
c)
Worms, Trojans and ransomware
d)
Viruses, phishing and Trojans
36.
Which type of threat uses emails to try to trick users into giving away personal details?
a)
Brute force
b)
Data interception
c)
Phishing
d)
Packet sniffing
37.
Which type of threat is a technique that tries all combinations of characters to try to crack a password?
a)
Phishing
b)
Packet sniffing
c)
Smishing
d)
Brute force
38.
Which type of threat attempts to blackmail a user into making a payment to a hacker?
a)
Ransomware
b)
Spyware
c)
Trojan
d)
A worm
39.
A faulty what can cause data to become corrupt?
a)
Scanner
b)
Hard disk
c)
Printer
d)
Monitor
40.
Which of the following is NOT an example of cybercrime?
a)
Stealing computer hardware from an office building
b)
Distributed Denial of Service (DDoS) attack
c)
Phishing
d)
Hacking
41.
What is hacking?
a)
Gaining unauthorised access to computer systems
b)
Stealing company hardware
c)
Spreading viruses around a network
d)
Tricking a human user of a computer system into giving you access
42.
What is a computer virus?
a)
A program written to cause harm to a computer
b)
A hardware fault which causes data to be damaged
c)
A fault with the CPU which means that data is lost or damaged
d)
An attack against a computer server that prevents other traffic from reaching it
43.
What is the most common way people's computers get infected by a virus?
a)
Downloading files from email or websites
b)
Install new hardware
c)
Receive a fax
d)
They come preinstalled on most computers
44.
Which of the following statements is true?
a)
You can buy programs that tell you if you have a virus on your computer
b)
Computer viruses always destroy your work
c)
You must reinstall your operating system to get rid of a virus
d)
Having a backup will stop you from being infected by viruses
45.
What is gaining unauthorised access to a computer system also known as?
a)
Hacking
b)
Logging on
c)
Spamming
d)
Phishing
46.
What might someone do if they steal your identity?
a)
Try to access your bank account or set up a loan in your name
b)
Try to give you all the credit for their hard work
c)
Earn lots of money and leave it in your bank account
d)
Have lots of packages shipped to your address
47.
What makes a worm different from other types of malware?
a)
They can self-replicate and transmit themselves on networks without the aid of a user
b)
They present themselves as being something desirable
c)
They have to be run by a user to infect your system
d)
They record every keystroke you make on your keyboard to send to a remote server for a hacker to use against you
48.
What makes a Trojan different from other types of malware?
a)
They present themselves as being something desirable
b)
They can self-replicate and transmit themselves on networks without the aid of a user
c)
They have to be run by a user to infect your system
d)
They record every keystroke you make on your keyboard to send to a remote server for a hacker to use against you
49.
What makes a virus different from other types of malware?
a)
They have to be run by a user to infect your system
b)
They present themselves as being something desirable
c)
They can self-replicate and transmit themselves on networks without the aid of a user
d)
They record every keystroke you make on your keyboard to send to a remote server for a hacker to use against you
50.
What makes a keylogger different from other types of malware?
a)
They record every keystroke you make on your keyboard to send to a remote server for a hacker to use against you
b)
They present themselves as being something desirable
c)
They can self-replicate and transmit themselves on networks without the aid of a user
d)
They have to be run by a user to infect your system
51.
What name would you give to an email attachment that may harm your computer?
a)
Malware
b)
Spam
c)
Phishing
d)
Smishing
52.
Which of the following are types of malware?
a)
Worms, Trojans and hackers
b)
Spyware, firewalls and ransomware
c)
Worms, Trojans and ransomware
d)
Viruses, phishing and Trojans
53.
Why are cloud computing services more vulnerable to hacking than internal IT systems?
a)
Cloud computing data can be held on more than one server.
b)
Anything that is connected via the internet can be hacked into.
c)
Additional storage can be added easily without having to invest in additional hardware.
d)
Local storage is always secure.
54.
Which of the following threats to a computer system could be described as human error?
a)
A technician spilling a drink over a server, destroying data stored on it.
b)
A hacker remotely accessing data on the server.
c)
Ransomware locking the data on the server.
d)
A virus scrambling the contents of the server's hard drives.
55.
Which of the following threats accounts for the most data loss?
a)
human error
b)
viruses
c)
ransomware
d)
phishing
56.
Which of the following tools stops unauthorised traffic from entering and leaving a network?
a)
Antivirus software
b)
Antimalware software
c)
Firewall
d)
Network forensics
57.
What term describes a copy of important files kept separately in case original files are lost or damaged?
a)
Network policy
b)
Copy
c)
Backup
d)
Register
58.
Which is the most secure password?
a)
G8w£st!xm
b)
Password
c)
London2004
d)
Peter5555
59.
Which is the least secure password?
a)
G8w£st!xm
b)
Password
c)
London2004
d)
Peter5555
60.
What are encrypted messages known as?
a)
Binary
b)
Ciphertext
c)
Plaintext
d)
Compressed
61.
Why is it necessary to backup data regularly?
a)
To reduce the file size.
b)
To increase the speed of the network.
c)
To allow you to retrieve data if it is lost.
d)
To prevent viruses from infecting your files.
62.
Which of these is not a valid authentication technique?
a)
Using a PIN number
b)
Sending a one-time passcode via SMS
c)
Iris recognition
d)
Packet sniffing
63.
Which tool monitors traffic going into and out of a computer network and blocks possible threats automatically?
a)
Firewall
b)
Router
c)
Modem
d)
Switch
64.
Which term is used to describe when users are manipulated by cybercriminals into giving access to the network?
a)
Penetration testing
b)
Unpatched software
c)
Brute force attack
d)
Social engineering
65.
Which type of hacking is done with full agreement from the organisation?
a)
Black hat hacking
b)
White hat hacking
c)
Grey hat hacking
d)
Red hat hacking
66.
What is an upgrade designed to fix bugs known as?
a)
Download
b)
Patch
c)
Version
d)
Revision
67.
How do websites often authenticate that a user's email is correct when they sign up for a new account?
a)
By sending an email that the user has to receive and click on to activate the account
b)
By asking them security questions only the valid user will know
c)
By using a length check to make sure it is a suitable length for an email address
d)
By preventing signups from free services like Gmail and Hotmail
68.
Which would be the best method of backing up your data?
a)
Printing out paper copies and filing them away
b)
Keep a second copy of the data on your hard disk
c)
Make a copy on a removable storage device, eg CD, DVD, external hard disk and store it in a safe place
d)
Make a copy on a USB stick attached to your keyring
69.
Where should backups idealy be kept?
a)
On the computer's hard disk
b)
Near the computer the backup was taken from
c)
In a separate room in the same building as the original system
d)
Off site in a safe place
70.
Converting data into a secret code so that it cannot be read by an unauthorised person is called what?
a)
Interpretation
b)
Encryption
c)
Translation
d)
Encoding
71.
Which of the following is NOT a physical precaution to protect data?
a)
Locks on doors
b)
Physically securing computers to the desks they sit on
c)
Preventing access to the components inside a computer
d)
Usernames and passwords
72.
What indicates a secure connection between your computer and a trusted website?
a)
html
b)
xhtml
c)
https
d)
url
73.
What does encrypting data involve?
a)
Translating data into a code so that it makes no sense to a human reader
b)
Sending data as an email attachment
c)
Sending data across your own secure network
d)
Translating it into a different language
74.
What does a firewall do?
a)
Prevents unauthorised access to your computer via the internet
b)
Stops you installing software that may harm your computer
c)
Records everything you do on your computer
d)
Tells you when you have a virus
75.
What type of warning are you most likely to receive if a virus is found on your system?
a)
Your anti-virus software will display a message and ask you how to proceed
b)
A siren will sound and continue until the virus is removed
c)
The computer will shut itself down
d)
Your screen will flash a different colour regularly
76.
What purpose does anti-virus software serve?
a)
It inspects computer files and email attachments for viruses and removes or quarantines any that it finds
b)
It stops people gaining unauthorised access to your computer via the internet
c)
It deletes every file it suspects is infected
d)
It prevents social engineering attacks
77.
Which of the following is BAD advice for protecting your computer against infection?
a)
Open email attachments if they look interesting
b)
Use up-to-date anti-virus software and always download the latest definitions
c)
Only download files from reputable internet sites
d)
Do not download pirated software or movies as they often come with viruses attached
78.
Why is it a good idea to regularly backup data?
a)
Damaged files can be restored if you find you have a problem
b)
It will prevent your computer from getting a virus
c)
It is a requirement of government law
d)
Having a backup uses less storage space than not having one
79.
Which of these is NOT a useful method of reducing spam email?
a)
Sending a strongly-worded reply to unauthorised email messages
b)
Setting a filter on your email account
c)
Not replying to anonymous emails
d)
Enabling anti-spam options on your inbox
80.
What software can you use to avoid getting viruses?
a)
Anti-virus software
b)
Firewall software
c)
Disk Cleanup software
d)
Operating System software

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