Cisco Certified Network Professional 2025 – 400 Free Practice Questions to Pass the Exam

Large geographic blocks are divided into smaller blocks for customer assignments in the context of IPv6 due to the need for effective management and allocation of IP addresses. ISPs receive IPv6 address space from regional Internet registries (RIRs) and must allocate this space to their customers, which may include businesses, organizations, and individuals. Dividing the address space into smaller blocks allows ISPs to efficiently manage their resources, ensuring that each customer receives an adequate number of addresses tailored to their specific needs.

This practice is essential for maintaining the hierarchy of the addressing system while allowing flexibility in address allocation. By segmenting large blocks into smaller ones, ISPs can optimize their routing tables and improve address utilization. Moreover, this division supports the scalability of the Internet, as it accommodates a growing number of devices and users.

The other options present alternatives that do not align with common practices in IPv6 address distribution. For instance, stating that large geographic blocks are not divided at all overlooks the necessity for granular control over IP allocations. Suggesting that blocks are divided into equal-size segments does not reflect the dynamic and varied requirements of different customers. Finally, dividing into subnets based on usage is more applicable to network design and internal management rather than the initial assignment of large address