Level 0 quiz — IT Fundamentals

Quiz — Level 0 · IT Fundamentals

4 questions, exactly one correct answer per question.
Answer them all, then click Check my answers: your score and the explanations appear.

1. What is the central role of IT in an organization?

Only repairing breakdowns Running, securing and evolving the information system the business depends on Selling hardware Building websites

IT is a cross-cutting function everything else depends on: when IT stops, work often stops with it.

2. What best distinguishes a workstation from a server?

Nothing A workstation serves one user; a server delivers a service to many, continuously and reliably A server is always less powerful A workstation has no OS

Servers are built for availability (redundancy, 24/7) because many people depend on them at once.

3. What does an operating system do?

Nothing useful It sits between hardware and applications and manages the machine's resources It replaces the hardware It is an antivirus

Windows, macOS and Linux each have strengths; Linux dominates on servers. The OS manages memory, files and devices.

4. What does it mean that a byte is 8 bits?

It's a speed The byte is the basic unit of data size (KB, MB, GB, TB) It's the CPU frequency Nothing

Distinguish storage (bytes) from bandwidth (bits per second): a byte is 8 bits, so divide a Mb/s figure by 8 for MB/s.

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