Your company has a main office and two branch offices. The offices connect to each other
by using a WAN link.
In the main office, you have a server named Server1 that runs Windows Server 2012 R2.
Server1 is configured to use an IPv4 address only.
You need to assign an IPv6 address to Server1. The IP address must be private and
routable.
Which IPv6 address should you assign to Server1?
A.
2001:ab32:145c::32cc:401b
B.
ff00:3rff:65df:145c:dca8::82a4
C.
fd00:ab32:14:ad88:ac:58:abc2:4
D.
fe80:ab32:145c::32cc:401b
Explanation:
Unique local addresses
Unique local addresses are IPv6 addresses that are private to an organization in the same
way that private addresses—such as 10.x.x.x, 192.168.x.x, or 172.16.0.0 –
172.31.255.255—can be used on an IPv4 network.
Unique local addresses, therefore, are not routable on the IPv6 Internet in the same way that
an address like 10.20.100.55 is not routable on the IPv4 Internet.
A unique local address is always structured as follows:
The first 8 bits are always 11111101 in binary format. This means that a unique local
address always begins with FD and has a prefix identifier of FD00::/8.
References:
Exam Ref 70-410: Installing and Configuring Windows Server 2012 R2: Chapter 6: p.266
C
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I could solve this question by elimination.
But could someone correct me if I am wrong?
So I deducted:
A.Starts with 20 so this is a Global address
B. Starts with FF so a multicast address
C.So C is the only logical explination
D.Starts with fe80 so a broadcast address
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Not quite right on D
FE80 is a link local address, so works on local LAN segment only and not routable to any other LANs or the Internet, can be used for broadcast but is not a “broadcast address” as it can still do Unicast (one to one) communications as well.
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yeah, private routable are FC00::/7 (FC00:: and FD00::)
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