Exam-style question
Try this first
Which statement is a valid reason for using NAT?.
- A.It helps an organisation use internal addresses while presenting an external network with a different address
- B.It ensures that every device must have a unique public IP address
- C.It removes the need for a device to have an IP address
- D.It changes a wired connection into a wireless connection
Model answer
What a good answer should say
- It helps an organisation use internal addresses while presenting an external network with a different address
Explanation
Why this works
NAT separates the addressing used inside a network from the addressing visible outside it. This supports the use of internal addresses and reduces the number of external addresses needed.
Common mistake
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