ITPEC IP April 2021 Question 31
ITPEC IP April 2021 — Question 31 of 100
IPv6 resolves the shortage of globally usable IP addresses by providing an enormously larger address space. IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses, making unique addressing available for vastly more networks and devices.
Answer (b)
Why not others:
- duplicate addresses still cause addressing and routing conflicts
- optical-fiber connectivity works independently of whether IPv4 or IPv6 is used
- IPv6 does not by itself guarantee a higher communication speed
Key rule: The principal effect of moving to IPv6 is expansion from a 32-bit to a 128-bit address space.
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