Which of the following statements about IPv6 Link-Local addresses is FALSE?
A.
They are assigned to every physical interface running IPv6.
B.
They are only valid for communication within the same broadcast domain.
C.
They all have the same 64-bit subnet prefix.
D.
They have an interface ID derived by default from the interface’s IPv4 address.
The Answer Is:
D
This question includes an explanation.
Explanation:
IPv6 Link-Local addresses are specific types of addresses used within a single local network segment. Here are key points about IPv6 Link-Local addresses:
A. True: Every physical interface running IPv6 is assigned a Link-Local address automatically.
B. True: Link-Local addresses are only valid for communication within the same broadcast domain (i.e., the local link).
C. True: They all have the same 64-bit subnet prefix (FE80::/64).
The false statement is:
D. False: The interface ID for Link-Local addresses is not derived from the interface’s IPv4 address. Instead, it is typically generated from the interface’s MAC address or using a random number.
ReferencesNokia Border Gateway Protocol Fundamentals, Chapter on IPv6 Addressing.
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