Which IPv6 address type provides communication between subnets and cannot route on the Internet?

The correct answer is B. unique local. A IPv6 Unique Local Address is an IPv6 address in the block FC00::/7. It is the approximate IPv6 counterpart of the IPv4 private address. It is not routable on the global Internet. Note: In the past, Site-local addresses (FEC0::/10) are equivalent to private IP addresses in IPv4

Submitted by chiamaka_o· Mar 5, 2026Network Fundamentals

Question

Which IPv6 address type provides communication between subnets and cannot route on the Internet?

Options

Aglobal unicast
Bunique local
Clink-local
Dmulticast

How the community answered

(41 responses)

B
95% (39)
C
2% (1)
D
2% (1)

Explanation

A IPv6 Unique Local Address is an IPv6 address in the block FC00::/7. It is the approximate IPv6 counterpart of the IPv4 private address. It is not routable on the global Internet. Note: In the past, Site-local addresses (FEC0::/10) are equivalent to private IP addresses in IPv4 but now they are deprecated. Link-local addresses only used for communications within the local subnet. It is usually created dynamically using a link-local prefix of FE80::/10 and a 64-bit interface identifier (based on 48-bit

Topics

#IPv6 addressing#Unique local addresses

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