Question: In a 5G Network Resource Model (NRM), when multiple `CPCIConfiguration` Managed Object Instances (MOIs) exist at different levels of the containment tree for Centralized SON's PCI configuration, what is the overriding behavior?
Option 1: The highest-level `CPCIConfiguration` MOI overrides all lower-level instances.
Option 2: All `CPCIConfiguration` MOIs at different levels merge to form a single configuration.
Option 3: Only the first created `CPCIConfiguration` MOI takes precedence, regardless of level.
Option 4: The lowest-level `CPCIConfiguration` MOI overrides all higher-level instances within the same containment tree.
Explanation: This is because in a hierarchical structure like a containment tree, specific (lower-level) configurations typically take precedence over more general (higher-level) settings to allow for granular management. This behavior ensures that localized configurations can override broader, more generalized settings, which is crucial for the effective management of PCI configuration in Self-Organizing Networks (SON) for 5G networks.