Unit 2: A2 Networks
Topic 2.3: Data transmission Questions
Practice 20 exam-style questions for IB Computer Science Topic 2.3. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Determine2 marks
2026
Determine whether 10.1.5.7 and 10.1.9.7 are on the same subnet when the mask is 255.255.255.0.
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Unlock Question2Outline4 marks
2026
Outline four factors that affect the performance of a network.
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Unlock Question4State1 mark
2026
State how many bits an IPv4 address uses.
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Unlock Question5Determine2 marks
2026
Determine the total number of distinct IPv4 addresses.
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Unlock Question6Explain3 marks
2026
Explain why an IP address alone is not enough to deliver data to the right program.
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Unlock Question7Outline3 marks
2026
Outline one way the shortage of IPv4 addresses has been managed.
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Unlock Question8State2 marks
2026
State how many bits an IPv6 address uses, and determine roughly how many addresses that gives.
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Unlock Question9Explain4 marks
2026
Explain two advantages of IPv6 over IPv4.
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Unlock Question10Distinguish3 marks
2026
Distinguish between a public and a private IP address.
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Unlock Question11Explain3 marks
2026
Explain why a device with a private address can still browse the internet.
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Unlock Question12Distinguish3 marks
2026
Distinguish between a static and a dynamic IP address.
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2026
Explain why IPv4 addresses have run short.
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Unlock Question14Explain3 marks
2026
Explain why a web server is given a static IP address.
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Unlock Question16Explain3 marks
2026
Explain why fibre optic cable suffers less attenuation than copper.
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Unlock Question17Explain3 marks
2026
Explain why a network of 500 devices uses DHCP rather than manual configuration.
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Unlock Question18Determine2 marks
2026
Determine whether the addresses 192.168.4.20 and 192.168.4.200 are on the same subnet when the mask is 255.255.255.0.
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Unlock Question19Determine3 marks
2026
Determine the round-trip delay of that 3000 km link, and suggest one application for which it would be a problem.
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Unlock Question20Suggest3 marks
2026
Suggest one privacy concern raised by IP addresses.
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