SK0-005 · Question #202
A server administrator is assigning an internally routable IPv6 unique local address to servers in a datacenter. Which of the following network addresses should the administrator assign to a server?
The correct answer is D. fd00:1348:4ef0:1ab9::1fd4. IPv6 Unique Local Addresses (ULAs) are designated for private network use and are recognized by specific prefixes, specifically starting with 'fc' or 'fd'.
Question
A server administrator is assigning an internally routable IPv6 unique local address to servers in a datacenter. Which of the following network addresses should the administrator assign to a server?
Options
- A10.40.251.33
- B192.168.0.10
- C2901:4868:4800::8844
- Dfd00:1348:4ef0:1ab9::1fd4
How the community answered
(46 responses)- A2% (1)
- B2% (1)
- C7% (3)
- D89% (41)
Why each option
IPv6 Unique Local Addresses (ULAs) are designated for private network use and are recognized by specific prefixes, specifically starting with 'fc' or 'fd'.
10.40.251.33 is an IPv4 private address, not an IPv6 address.
192.168.0.10 is an IPv4 private address, not an IPv6 address.
2901:4868:4800::8844 is a globally routable IPv6 address, not a unique local address.
IPv6 Unique Local Addresses (ULAs) are used for internal private networks and are not routable on the global internet, similar to IPv4 private addresses. ULAs are defined within the 'fc00::/7' range, meaning their first eight bits are '1111110' which translates to prefixes starting with `fc` or `fd`. The address `fd00:1348:4ef0:1ab9::1fd4` correctly falls within the `fd` prefix.
Concept tested: IPv6 Unique Local Addresses (ULA) identification
Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/ipv6/ipv6-transition-technologies#unique-local-ipv6-unicast-addresses
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