Comprehensive and Detailed In-Depth Explanation:Superuser accounts in NIOS have unrestricted access:
Definition:Superusers (Administration > Administrators > Edit > Superuser) have full read/write permissions across all Grid objects and functions (DNS, DHCP, Grid settings).
Restrictions:Unlike regular admins, superusers can’t be limited by object type, network scope, or read-only status—their role overrides all constraints.
Options:
A/B/C:These apply to non-superuser accounts (e.g., limit to DNS zones or read-only). Incorrect for superusers.
D:Matches NIOS design—superusers are unrestricted by definition. Correct.
Practical Example:In an INE lab, a superuser overrides a restricted admin’s permissions to fix a Grid issue, testing ultimate control scenarios.References:Infoblox NIOS Administrator Guide – Admin Permissions; INE Course Objective: NIOS DDI Grid Deployment.
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