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.
1Explain3 marks
2026
Explain why an IP address alone is not enough to deliver data to the right program.
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2026
State how many bits an IPv4 address uses.
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2026
Determine the total number of distinct IPv4 addresses.
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2026
Explain why IPv4 addresses have run short.
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2026
Outline one way the shortage of IPv4 addresses has been managed.
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2026
State how many bits an IPv6 address uses, and determine roughly how many addresses that gives.
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Unlock Question8Explain4 marks
2026
Explain two advantages of IPv6 over IPv4.
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Unlock Question9Distinguish3 marks
2026
Distinguish between a public and a private IP address.
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2026
Explain why a device with a private address can still browse the internet.
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2026
Distinguish between a static and a dynamic IP address.
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2026
Outline what is meant by attenuation.
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2026
Explain why a web server is given a static IP address.
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Unlock Question15Explain3 marks
2026
Explain why fibre optic cable suffers less attenuation than copper.
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2026
Explain why a network of 500 devices uses DHCP rather than manual configuration.
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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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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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2026
Suggest one privacy concern raised by IP addresses.
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Unlock Question20Determine2 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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