Which type of IPv6 address is publicly routable in the same way as IPv4 public addresses?
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A. B. C. D.D.
The correct answer is D. global unicast.
IPv6 defines three types of addresses: unicast, multicast, and anycast. Unicast addresses identify a single interface within a network, multicast addresses are used to send traffic to a group of interfaces, and anycast addresses identify a group of interfaces that share a common routing prefix.
Global unicast addresses are similar to public IPv4 addresses in that they are globally unique and routable on the public Internet. They are assigned by regional Internet registries (RIRs) to Internet service providers (ISPs) and other organizations that need to connect to the global Internet. Global unicast addresses are typically used for servers, routers, and other network infrastructure devices.
Unique local addresses (answer B) are similar to IPv4 private addresses in that they are not globally routable and are used within a single organization or site. They are assigned by the organization itself and are not registered with any RIR. Unique local addresses can be used for internal networks, VPNs, and other private communications.
Link-local addresses (answer C) are used for communication within a single network segment, such as a LAN or VLAN. They are automatically assigned to interfaces when IPv6 is enabled and do not require any configuration or administration.
Multicast addresses (answer A) are used to send traffic to a group of interfaces that have joined a multicast group. They are not used for individual communication between devices and are not routable on the public Internet.