Cisco Certified Network Associate (CCNA) Practice Exam

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What type of IPv6 address block is designated for global use?

Global Unicast
Link-Local Unicast
Unique Local Address
Multicast

The correct answer is: Global Unicast

The correct answer is Global Unicast. Global Unicast addresses are designed for global routing on the Internet, allowing for communication between devices across different networks. These addresses are routable and can be used to identify a specific interface on a device, making them suitable for applications such as web servers, email servers, and other Internet-facing services. To provide further context, Link-Local Unicast addresses are intended for communication within a single local network segment and cannot be routed across the internet. Unique Local Addresses are analogous to private addresses in IPv4, meant for local communications within a specific organization and are not globally routable. Multicast addresses are used to send data to multiple destinations at once and are not designated for unique unicast addressing like Global Unicast addresses.