Question 1 of 6
Explain the OSI Model in full. Name all 7 layers, describe what each one does, and explain how data travels from one device to another across a network.
We expect a degree-level answer here — go into the protocols, encapsulation process and real-world examples at each layer.
Minimum 150 characters
Question 2 of 6
What is the difference between TCP and UDP? Give specific examples of applications that use each protocol and explain why they chose that protocol.
Think about VoIP, video streaming, web browsing, file transfer — why does each use TCP or UDP?
Minimum 80 characters
Question 3 of 6
Explain IP subnetting. Given the network 192.168.10.0/24 — how many usable host addresses does it provide? Now subnet it into 4 equal subnets. What is the subnet mask and usable host range for each subnet?
Show your working. We want to see that you can do this without a calculator.
Minimum 80 characters
Question 4 of 6
Describe in detail a technical project or practical you completed during your studies or work. What was the problem or task, what technologies and equipment did you use, what challenges did you face, and what was the outcome?
Be specific. A real project described well is far more impressive than a vague answer.
Minimum 100 characters
Question 5 of 6
Signal Technologies Group delivers VoIP telephony, ISP internet services, managed ICT and cloud solutions. Which of these areas interests you most and why? What specific skills do you bring to that area?
Show that you have researched what we do and have a genuine interest — not just a generic answer.
Minimum 80 characters
Question 6 of 6
Graduate Trainees at WiFi Flood start in the field — not behind a desk. You will pull cable, configure equipment on site, deal with angry customers and work in the sun. What does "starting from the ground up" mean to you, and are you genuinely ready for it?
We have rejected degree holders who wanted to manage before they could configure. Be honest about your expectations.
Minimum 80 characters