Computer Networks - IP Addressing
How many unique IPv6 addresses can theoretically be created within a single /64 subnet?
How many unique IPv6 addresses can theoretically be created within a single /64 subnet?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand subnet size in IPv6
A /64 subnet means 64 bits are fixed for network, leaving 64 bits for host addresses.Step 2: Calculate number of addresses
2^64 = 18,446,744,073,709,551,616 unique addresses are possible in a /64 subnet.Final Answer:
18,446,744,073,709,551,616 -> Option BQuick Check:
2^64 addresses in /64 subnet [OK]
Quick Trick: A /64 subnet has 2^64 possible addresses [OK]
Common Mistakes:
MISTAKES- Confusing with 2^32 or 2^128
- Using wrong subnet size
- Misunderstanding host bits
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