Computing

Question 1

1A fraudulent e-mail tricking users into giving passwords is

Easy

A. phishing B. encryption C. a firewall D. backup

Question 2

2A hash function is used to

Hard

A. decrypt files B. produce a fixed-length digest of data C. route packets D. compress images

Question 3

3Machine learning is best described as

Easy

A. building computer hardware B. a type of operating system C. training people to type faster D. a computer learning patterns from data to make predictions

Question 4

4In the software development life cycle, the stage after design is

Easy

A. implementation (coding) B. analysis C. planning D. maintenance

Question 5

5Malware that demands payment to unlock files is

Easy

A. spyware B. adware C. ransomware D. a firewall

Question 6

6Which is usually the first stage of the software development life cycle?

Easy

A. maintenance B. coding C. requirements analysis D. testing

Question 7

7Turning readable data into a coded form that only authorised people can read is called

Easy

A. formatting B. encryption C. compression D. validation

Question 8

8An email that pretends to come from a bank and asks for your PIN is an example of

Easy

A. phishing B. encryption C. a backup D. a firewall

Question 9

9Encryption with a public and private key pair is

Hard

A. hashing B. compression C. asymmetric encryption D. symmetric encryption

Question 10

10Social engineering attacks

Easy

A. cool servers B. speed up networks C. damage hardware D. trick people into revealing confidential information