Question:
Which of the following is NOT a characteristic of IPv6?
Which of the following is NOT a characteristic of IPv6?
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How many bits are in an IPv6 address versus an IPv4 address?
Updated On: Jul 2, 2026
- Eliminates the need for Network Address Translation
- Includes built-in security with IPsec
- Supports automatic address configuration
- Uses 32-bit addressing
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The Correct Option is D
Solution and Explanation
Step 1: The question asks for the statement that is false about IPv6.
Step 2: IPv6 uses 128-bit addresses, not 32-bit. The 32-bit address is a property of IPv4. So (D) is the incorrect characteristic.
Step 3: Confirm the true statements. IPv6 has such a huge address space that NAT is not needed, so (A) is true. IPsec support was designed in from the start, so (B) is true. IPv6 offers stateless address autoconfiguration (SLAAC), so (C) is true.
Step 4: The one that does not describe IPv6 is "Uses 32-bit addressing."
Step 2: IPv6 uses 128-bit addresses, not 32-bit. The 32-bit address is a property of IPv4. So (D) is the incorrect characteristic.
Step 3: Confirm the true statements. IPv6 has such a huge address space that NAT is not needed, so (A) is true. IPsec support was designed in from the start, so (B) is true. IPv6 offers stateless address autoconfiguration (SLAAC), so (C) is true.
Step 4: The one that does not describe IPv6 is "Uses 32-bit addressing."
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