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SingaporeComputer ScienceQuick questions
Networks and the Internet
Quick questions on IP addresses and protocols explained: O-Level Computing
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are iP addresses?Show answer
An IP address (Internet Protocol address) is a unique number that identifies a device on a network. It works like a postal address: data is labelled with the destination IP address so the network can deliver it to the correct device, and with the source address so a reply can come back.
What is q1?Show answer
State what an IP address is used for. [2 marks]
What is q2?Show answer
State two items found in a packet header. [2 marks]
What is q3?Show answer
Explain why networks need agreed protocols. [2 marks]
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