Exam-style question
Try this first
Distinguish between a public IP address and a private IP address. Include the meaning of routable and non-routable in your answer.
Model answer
What a good answer should say
- A public IP address is routable, meaning it can be used to route data across the public internet.
- A private IP address is non-routable, meaning it is used within a private network and is not routed across the public internet.
Explanation
Why this works
The essential distinction is the scope of routing. Public addresses support routing across the public internet, while private addresses are restricted to internal private-network use.
Common mistake
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