CompTIA
SY0-301 · Question #632
SY0-301 Question #632: Real Exam Question with Answer & Explanation
The correct answer is C: IPv6. IPv6 uses 128-bit addresses, providing a vastly larger address space than all other listed protocols, which use far fewer bits.
Question
Which of the following protocols allows for the LARGEST address space?
Options
- AIPX
- BIPv4
- CIPv6
- DAppletalk
Explanation
IPv6 uses 128-bit addresses, providing a vastly larger address space than all other listed protocols, which use far fewer bits.
Common mistakes.
- A. IPX uses 80-bit addressing (32-bit network + 48-bit node), which is smaller than IPv6's 128-bit space.
- B. IPv4 uses 32-bit addresses, providing roughly 4.3 billion addresses, far fewer than IPv6.
- D. AppleTalk uses a 16-bit network and 8-bit node address scheme, giving it an extremely limited address space compared to IPv6.
Concept tested. IPv6 128-bit address space comparison
Reference. https://learn.microsoft.com/en-us/windows-server/networking/technologies/ipv6/ipv6-overview
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