Exam 200-120 Question id=113 IPv4/IPv6 Addressing

Which statements describe characteristics of IPv6 unicast addressing?

A. Global addresses start with 2000::/3.
B. Link-local addresses start with FE00:/12.
C. Link-local addresses start with FF00::/10.
D. There is only one loopback address and it is ::1.
E. If a global address is assigned to an interface, then that is the only allowable address for the interface.
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http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml

2000::/3 Global Unicast The IPv6 Unicast space encompasses the entire IPv6 address range with the exception of ff00::/8, per [RFC4291]. IANA unicast address assignments are currently limited to the IPv6 unicast address range of 2000::/3

The IPv6 address reserved for loopback use is 0000:0000:0000:0000:0000:0000:0000:0001/128. This loopback address is so lengthy and can be further simplified as ::1/128.



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