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What is the output when the IPv6 address fe80::1 is expanded fully?

medium📝 Analysis Q4 of 15
Computer Networks - IP Addressing
What is the output when the IPv6 address fe80::1 is expanded fully?
Afe80:0000:0000:0000:0000:0000:0001:0000
Bfe80:0001:0000:0000:0000:0000:0000:0000
Cfe80:0000:0000:0000:0001:0000:0000:0000
Dfe80:0000:0000:0000:0000:0000:0000:0001
Step-by-Step Solution
Solution:

  1. Step 1: Understand IPv6 zero compression

    The double colon (::) represents one or more groups of 16 bits of zeros.

  2. Step 2: Expand the address fully

    Replace :: with six groups of 0000 to fill the address to eight groups total.

  3. Final Answer:

    fe80:0000:0000:0000:0000:0000:0000:0001 -> Option D

  4. Quick Check:

    Zero compression expands to zeros [OK]
Quick Trick: Double colon means fill with zeros to make 8 groups [OK]
Common Mistakes:
MISTAKES
  • Misplacing the 1 in wrong segment
  • Expanding fewer zeros
  • Confusing order of segments

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