IT Level 3 Quiz: Key Concepts

Which of the following is the binary representation of the decimal number 13?

• 1100

• 1101

• 1011

• 1110

What is the main function of the Arithmetic Logic Unit (ALU) in a computer system?

• Store data permanently

• Perform calculations and logical operations

• Manage input and output devices

• Control the flow of data in the network

Which of the following is NOT a type of network topology?

• Star

• Ring

• Tree

• Bridge

In the Software Development Life Cycle (SDLC), which phase comes immediately after the 'Analysis' phase?

• Design

• Implementation

• Testing

• Maintenance

Which of the following is an example of a strong password?

• password123

• qwerty

• 8uT!9pL#2s

• 123456

Which project management technique uses a visual chart to show the start and finish dates of project elements?

• Gantt chart

• SWOT analysis

• PESTLE analysis

• Flowchart

What is the hexadecimal value for the binary number 10101111?

• AF

• 9F

• 8F

• 7F

Which component is responsible for temporarily storing data that is being processed by the CPU?

• Hard drive

• RAM

• ROM

• GPU

Which protocol is commonly used to send emails?

• HTTP

• SMTP

• FTP

• POP3

Which of the following best describes 'phishing' in cyber security?

• A type of malware that locks files

• An attempt to obtain sensitive information by pretending to be a trustworthy entity

• A method of encrypting data

• A firewall configuration